Gain may be temporary and uncertain; but ever while you live, expense is constant and certain: and it is easier to build two chimneys than to keep one in fuel.
收益可能是暂时的和不确定的;可是，只要你活着，花销总是固定不变的，而且是确定无疑的。建造两个烟囱比把一个装进燃料里要容易得多。
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Political
Uncertain
Easier
Build