I mean, just taking the space shuttle up and back one time is hugely expensive.

我的意思是，仅仅是发射航天飞机一次再飞回的成本就已经是天价了。

youdao

Although no one exactly looks forward to doing homework, you will get it done more efficiently if you are well organized and have time and space to concentrate on it.

虽然没有人真的期待做作业，但如果你组织得好，有时间和空间集中精力做作业，你会做得更有效率完成它。

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In REM dreams, position sense gets turned off, and we can and do go anywhere in space and time — one reason 99 percent of people fly in their dreams.

在REM状态的梦里，对位置的感觉被关闭，所以我们可以空间和时间上的任何地方——这正是99%的人会梦见自己在飞行的一个原因。

youdao

The United States had sent an astronaut of its own into space for the first time in nineteen sixty-one.

VOA: special.2009.07.08

Is the space-time worm that makes up this car the same sapce-time worm as the one ? that made up my car?

这辆车的时空虫,跟我那辆车的时空虫,是不是一样的？

耶鲁公开课 - 死亡课程节选

In dynamic programming, one of the things that's going on is we're trading time for space.

在动态编程法中我们是在用,空间换时间，除了动态编程法。

麻省理工公开课 - 计算机科学及编程导论课程节选

Unlike conventional cameras, our femto camera captures an image as one thin slice at a time of one-dimensional space using a "streak tube, " a laboratory instrument that is commonly used by chemists to study light passing through chemical samples.

CNN: A camera that can see around corners

And LivingSocial has been in this space as long as Groupon, starting from the time when no one believed it was even a space.

FORBES: Who Will Be Left Standing Post-Groupon IPO?

One reason is that space and time on the roads are being taken away from cars and given to buses, pedestrians and cyclists.

ECONOMIST: London's roads