Note that in a closed universe you could start a journey off in one direction and, if allowed enough time, ultimately return to your starting point; in an infinite universe, you would never return.

请注意，在一个封闭的宇宙你可以朝着一个方向开始旅行，如果允许足够的时间，最终将返回到出发点；而在一个无限的宇宙中，你永远不会回来。

youdao

You can use that as a starting point for your application, or start from scratch using this article and many other tutorials out there.

可以以此作为自己应用程序的起点，也可以根据本文或其他教程从头创建应用程序。

youdao

And the point is, now we're going to start, since the mole fraction in the gas phase that we're starting from is the same number as this was.

我们从这一点开始，因为气态的摩尔分数不变，我们从之前相同的数字开始。

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And then, that's a starting point to start working on getting that fuel into the marketplace in volumes that can make a big difference.

NPR: Canadian Dreams of Ethanol Distilled from Grass

As a starting point, an effective energy plan would start with the following key components.

FORBES: Which Candidate's Energy Plan is Better for America?

The start of this new school year is, in my view, the real starting point for the reconstruction of Libyan society.

UNESCO: A new school year and building a new Libya