我们可能不会看到生物燃料使用的增加——我的意思是，在我们找到方法以更低的成本、更快的速度和更少的环境成本生产它们之前，它们不会取代化石燃料。

We probably won't see an increase in biofuel use—I mean, they won't replace fossil fuels until we can find ways to produce them cheaply and quickly and with less cost to the environment.

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这样的对象分类允许垃圾收集器检验更少的对象，使每次垃圾收集速度更快。

Sorting objects like this allows the garbage collector to examine fewer objects, making each garbage collection quicker.

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但是，女性通常血液留往大脑的速度要更快，这使她们年老的时候更少损失脑组织。

But women generally have faster blood flow to their brains, causing them to lose less brain tissue as they age.

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