送交者: HunHunSheng 于 2005-2-10, 19:32:44:
回答: 勤俭节约和减肥 由 liwei999999 于 2005-2-10, 19:24:15:
For example, when buying watermellons with a fixed price
per mellon, don't buy the biggest one but the smallest
one. But I heard many LaoZhong laugh at LaoMei for
doing that.