Tri-color flag robe for senior high school entrance examination

The three colors of the cheongsam in the senior high school entrance examination suggest the following points:

Wearing a red cheongsam means winning the flag and making a good start; Wearing green cheongsam means that the rest of the exam can be green all the way, and the better the exam; Wearing yellow cheongsam means that you can go to glory after the exam.