A man will pay $2 for a $1 item he wants. A woman will pay $1 for a $2 item that she doesn't want.
男人想要的东西，要是值 1块钱却卖 2块，他也会买；而对于女人，即使是不想要的东西，要是值 2块钱却只卖 1块，她也会买。
