For any given practice, there is always at least one context in which it is not optimal.

对于现有的实践来说，总是存在至少一个环境，在该环境中，实践不是最佳的。

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According to classic typographic books, the optimal number of characters per line is between 55 and 75, but between 75 and 85 characters per line is more popular in practice.

根据传统排版图书，每行文字的最佳字符数是55 - 75，但是事实上，每行75 - 85个字符更流行。

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Optimal disturbance rejection for the nonlinear delay systems is of important meaning in theory and practice.

时滞非线性系统的最优扰动抑制问题具有重要的理论和实际意义。

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Oddly, however, Mr Mundell very strongly believes that Europe is, in practice if not in theory, an optimal currency area.

ECONOMIST: Man of the hour | The

By becoming a thought leader, which for the greater majority of accounting firms is the optimal business development methodology, you can seriously super-charge your practice.

FORBES: How to Super-Charge Your Accounting Practice