标题: A smart housewife [打印本页] 作者: x-ace 时间: 2009-10-31 08:51 标题: A smart housewife
A smart housewife was told that there was a kind of stove which would only consume half of the coal she was burning. She was very excited, and said: "Thatll be terrific! Since one stove can save half of the coal, if I buy two, no coal will be needed!"