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... tform now, and it will take a certain amount of time to become an online payment platform. To allow students 'parents to send money, in order to distinguish the ownership of thousands of parents' money, he set up a "random reduction" mechanism.
The mechanism of random reduction is that if user A takes 20 class hours of student B, plus the overcharged fee, a total of 1,000 yuan, then the system will randomly subtract 1 to 1 yuan from the random price. , And will automatically avoid duplica ...
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