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先给大家讲个小故事:有3个大学生结伴出去旅行,傍晚到一家旅馆住宿,老板跟每人收了10元钱,后来老板想了想,觉得大学生出门在外不容易,便叫伙计给
Let’s give everyone a short story: Three college students went out to travel together and stayed in a hotel in the evening. The boss and everyone received 10 yuan. Afterwards, the boss thought for a moment and felt that it was not easy for the college students to go out and he called the guys