一个炉子可以省一半的煤，那么如果我买两个炉子的话，不就可以把。
Since one stove can save half of the coal, if I buy two, no coal will be.
一个炉子可以省一半的煤，那么如果我买两个炉子的话，不就可以把煤全都省下来了吗？
Since one stove can save half of the coal, if I buy two, no coal will be needed!
一个炉子可以省一半的煤，那么如果我买两个炉子的话，不就可以把煤全都省下来了吗！
Since one stove can save half of the coal, if I buy two, no coal will be needed!
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