巧妇=米, why only rice?

本帖于 2023-11-02 09:59:36 时间, 由普通用户 TJKCB 编辑

巧妇难为无米, but she can think of wheat flour, meat, and fruits. Why stick with rice?

Stanford $5 thinking box: The professor assigned $5 to each student to invest. The highest return will be the winner. Guess how the winner was doing?

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