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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: "That'll be terrific! Since one stove can save half of the coal, if I buy two, no coal will be needed!"
一位精明的家庭主婦聽人說有一種爐子用起來可以比她現在用的爐子省一半的煤。
她聽了大為興奮，說：“那太好了！一個爐子可以省一半的煤，那么如果我買兩個爐子的話，不就可以把煤全都省下來了嗎？”
