1, application scenario: lottery is usually used to decide or allocate personal opportunities or resources; Lottery tickets are usually used to distribute a limited number of opportunities or resources fairly.
2. Realization: The lucky draw usually uses a numbered object, and each number represents a participant or a result. In the lottery, a number is randomly selected to determine the result; The lucky draw adopts randomly generated numbers or randomly selected numbers, regardless of the personal identity of the participants, and each number has the same chance to be selected.
3. Fairness: It is fairer to draw lots than to draw lots. In the process of drawing lots, each participant has equal opportunities and there is no personal identity advantage. The result is completely random. The lucky draw may be influenced by personal skills, speed or other factors, and there may be some deviations.