Carpenters and butchers used to be craft jobs, and everyone respected them. Carpenter is a very meticulous job, and it is more professional. When choosing wood, you usually don't choose just the right length, but leave a few centimeters more.
In this way, if there is any accident in the middle, there is still room for remedy. In the end, if it is too long, it only needs to be sawed off, and if it is too short, it will not be so easy to remedy.
This is the main reason why carpenters don't choose the right length. The reputation of carpenters used to be very important. If you ruin your reputation because of this small problem, you will lose more than you gain.
Generally speaking, pigs have four hooves, but some pigs are strange and only have five hooves. Butchers don't usually do this when they see a pig with five hooves. What do people think this is? Golden dragon with five claws? The embodiment of. This is a very noble thing and it is very rare.
Let people go? Golden dragon with five claws? As a sacred object, how can you kill them? Once these sacred objects are touched, they will certainly be condemned in the future. The second half of this sentence is naturally superstitious and has no scientific basis.
Later generations actually take this sentence as an extension of this sentence, which means it is better to leave some room for life. No matter what you say or do, sometimes don't be too decisive, regardless, I said bad things, and I may finally push myself to the wall.