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。

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And I'm actually leaving on Monday, and so I won't live here anymore, starting this week.

我周一就要离开纽约了，所以从这个星期开始，我就不会住在这儿了。

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Again, leaving aside the science, about which I'm sure some of you know more than me here, the issue of carbon emissions is a Prisoners' Dilemma.

抛开科学层面来说,我相信在座的一些同学比我知道的还多,碳排放问题也是个囚徒困境

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People are leaving different cities and coming to New York because they want to work here.

不同城市的人们来到纽约，因为他们想要在这里工作。

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