By can be omitted in doing something for a living, right?

Make a living by doing sth.

No need to add by

Usage of supplementary words:

By 1[ white] prep.

1. [indicating spatial relationship] Near, near, beside:

To stand by and watch the Great Wall.

Stand by and watch the Great Wall

The house by the river

The house by the river

2. Around ... Have:

I have some money on me.

I have some money with me.

3.[ Indicates time relationship]

At (day, night):

travel over night

travel over night

Work during the day

Work during the day

In a fixed time:

Work by the hour

Work by the hour

Not later than; By (until) or before (a certain time):

Be back before ten o'clock.

/kloc-come back before 0/0.

We usually finish work before six o'clock.

We usually finish the work before 6 o'clock.

In the environment of …, take … as a partner:

Jack and Mary are walking in the moonlight.

Jack and Mary are walking in the moonlight.

4.[ Indicating the direction of movement]:

Along, along, through, past; By:

From holland tunnel to New Jersey

Go to New Jersey via holland tunnel.

Pass by, pass by (the past); Author:

Walk past the reviewing stand

March by the observation deck.

They passed the church.

They walked past the church.

In the direction of:

North by west

North by west

Sail northeast

Sail north-northeast

5. 【 indicate the direction of efforts, indicate the relationship 】 Right, right, treat:

Be nice to friends.

Be kind to friends.

She is kind to her children.

She is very kind to children.

6.[ Refers to methods, ways, means or media, who is the actor or what is the thing that works] Dependence, use, adoption, yes and by:

I met her.

I only met her once.

fraudulent gains

Live by cheating

7.[ emoticon, style]

According to, according to, in accordance with, in accordance with, obey:

act according to/in accordance with the regulations

Follow the book

It is a bad book by any standards.

This is a bad book by any standards.

[means repeatedly or continuously] (one) and (one), (one is followed by (one), one after another, continuous:

March in pairs.

Move forward in pairs.

Slowly

Slowly

Gradually, gradually:

Gradually darken

Gradually darken

8. Be granted permission to. Approve, approve:

With permission

Please allow me; I'm sorry

9.[ Used as a function word to indicate size, length and area]

To the extent of, to the extent of:

Packaged apples

Many apples.

A room 12 feet by 14 feet.

A room with a width of 12 feet and a length of 14 feet.

(size, area) times:

Two times four 2

Multiplied by 4

To multiply or divide (a given number):

Multiply 10 by 4.

Multiply 4 by 10.

Divide a by b

Divide a by b

10.[ Transmission, transportation, etc. ]

He arrived by plane.

He arrived by plane.

They went by boat.

They went by boat.

1 1. [Explain the reason] Because, because:

They won the game by abstaining.

They won the game for fear of being punished.

I met her by chance.

I met her by chance.

12. Calculator:

I get paid by the month.

I get paid by the month.

Grain is sold by the bushel.

Grain is sold by the bushel.

13. [indicates degree, quantity, etc. The difference between]:

She is two inches taller than her brother.

She is two inches taller than her brother.

The new ship is much bigger than the old one.

The new ship is much bigger than the old one.

14. As far as (birth, occupation, nature, etc.) is concerned. ):

He is very generous by nature.

He is generous by nature.

15. Born in:

Mary gave birth to a son for Harry.

Mary gave birth to a son for Harry.

16. (Mammals) Take … as a breeding stock and … as a father:

John John II.

John II is John's son.

17. In the name of (God), by, against (or when) ... (swear):

Swear on everything sacred.

Swear in front of everything sacred.

18. [Mainly Scottish English] Contrast … 19. Come, come (visit):

Drop by my house tonight.

Come to my house to talk tonight.

20.[ Spoken American] In ...:

I'll treat you to dinner at that restaurant.

I'll treat you to dinner at that restaurant.

2 1. According to the opinion of …, it seems that …

According to her own account, she was in new york at that time.

According to her own statement, she was in new york.

adverb

1. Close at hand; Near, near.

2. (put) aside, (put) open; Store, preserve, and exist aside.

3. past, past

experience

5. [American English] In the designated (or self-evident) place

6. [American Spoken English] Enter (or go to) other people's homes

Adjective (abbreviation for adjective)

1. Middle school; Adjunct [adj.] adj.

2. Located on one side; Not on the main road; hemilateral

Noun (short for noun)

1. Incidents; Side issues; Body; By-products; Secondary things; trivial matter

2. Cricket error score

3. Bye-bye (sports elimination lottery)

4. Remaining holes in the golf ball (you can't play any more because one side won) (= by 1)

white

interj。

see you again

BY,BY

Abbreviations.

A billion years, a billion years.

I hope I can help you O(∩_∩)O~