We don't say anything about implicitly here, we're talking about a closed system, so there's no mass leaving the system.

我们不讨论,这是隐含条件，因为我们讨论的是孤立系统，因此系统没有物质流失。

麻省理工公开课 - 热力学与动力学课程节选

That's because the most important risk that individuals face is the risk of major losses of income.

因为个人所面临的最大风险,就是收入的大量流失。

耶鲁公开课 - 金融市场课程节选

Now, what's interesting is there is also a loss effect.

现在，有趣的是，同样存在一个“流失效应。

耶鲁公开课 - 心理学导论课程节选

The fiber intake is affected not only by what particular foods people pick but how much processing is done of the foods they have, where some of the fiber in foods is specifically processed out.

纤维素的摄入量,不仅取决于人们选择的食物,而且还要看食物的加工过程,有些纤维素在食物在加工过程中流失了

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