You've got to put yourself in the shoes of your fellow classmen and figure out that they're not going to choose 67 and above.
你需要从你的同学的角度思考,明白他们也不会选择67及以上的数
耶鲁公开课 - 博弈论课程节选
应用推荐
模块上移
模块下移
不移动