People do it at the expense of everything that was a constant in their lives.

人们这样做的代价是牺牲生活中所有一尘不变的东西。

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Gain may be temporary and uncertain, but ever while you live, expense is constant and certain.

收益也许短暂而且难以确定，但你每活一天，花费就肯定会不断出现。

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Even if rates stay constant, Hunt said, interest expense will exceed defense spending by the end of the decade.

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This expense looks like a constant comparable with Intel and other iconic tech houses like Microsoft, a glass ceiling comparable to the 20 percent of earnings awarded key employees, annually by many tech houses.

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Our constant drive for selfish over-consumption at any cost, to benefit the few at the expense of the many and at the expense of Nature itself, is the real illness in our society that is causing all of this imbalance.

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