在学术部门中，终身教职加上年龄歧视法，使得教职人员流动变得至关重要，大学要想在变化的时代保持与时俱进是很困难的。

Within academic departments, tenure, combined with age-discrimination laws, makes faculty turnover—critical for a university to remain current in changing times—difficult.

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这个变化使当地的昆虫被分隔开来，现在分居于河的两岸，彼此的基因流动已被完全截断。

The change separated populations of insects now living along opposite shore, completely cutting off gene flow between them.

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用这一基本差异的视角分析、比较城市，为变化的投资资本流动和房价提供了耐人寻味的背景。

Analyzing and comparing cities using the lens of this basic divide gives interesting context to how investment capital flows and housing prices have shifted.

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Now, I know how to relate the heat flow to temperature change, through the heat capacity.

现在我知道怎样把能量的流动,和温度的变化联系起来，通过热容。

麻省理工公开课 - 热力学与动力学课程节选

You've got a property that changes, depending on the heat flow.

它的某种性质，随热量的流动变化。

麻省理工公开课 - 热力学与动力学课程节选

They were always mobile, always going somewhere, always changing.

他们总是流动的,总有新的目的地,总是不断变化着的

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