If we regard the foreign exchange as an asset, we should use the continuous rate of returns to calculate the depreciation(or appreciation) percentage of the Renminbi.

而如果把外汇当成资产，就应该用资产收益率的连续复利计算方法来算一种货币兑其他货币的贬值（或升值）率。

youdao

As disappointing as this news might be to some investors, it is hard to fault the company for opting to abandon a business that has not produced its expected rate of returns.

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Case in point, a user on the MobileRead forums reports being locked out of his account for what was termed an "extraordinary" rate of returns (that is, he returned electronics that arrived damaged or defective).

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With these managed portfolios, the participants understand the expected rate of return and the range of returns.

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