Diminishing returns,law of 收益递减规律
其他投人固定不变时,连续地增加某一种投入,所新增的产出最终会减少的规律。该规律另一种等价的说法是:超过某一水平之后边际投入的边际产出下降。
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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