一位精明的家庭主妇听说，有一种炉子可以节省近一半的燃煤。她听了大为兴奋，说：“那太好了！既然一个炉子能节省一半的燃煤，如果买两个就不需要用煤了煤煤不就可以全省了吗！”
A smart housewife
A smart housewife was told that there was a Kind of stove that would consume half of coal she was burning. She was very excited and said," That'll be very terrific! Sense one stove can save half of coal, If I buy two, no coal will be needed!"
