We need a decision on this by next week.

我们得在下周前就这一问题作出决定。

《牛津词典》

It's just not physically possible to finish all this by the end of the week.

要在本周末完成这一切，这在客观上是办不到的。

《牛津词典》

The author does imply this by talking about unknown species.

作者确实通过谈论未知物种暗示了这一点。

youdao

They had to do this by firing the lunar module rocket engine for just the right amount of time.

VOA: special.2009.07.22

So I'm going to solve this by enumerate and check, which is an example of what's called a brute-force algorithm.

你懂的,所以我得靠列举和检验来解决这个问题,这就是我们说的穷举算法。

麻省理工公开课 - 计算机科学及编程导论课程节选

I don't know if it's possible to finish this by the end of today.

我不知道我们能不能在今天之内把这件事做完。

I don't know 课堂 - SpeakingMax英语口语达人

She said Facebook monitored this by having a group which was shown no ads.

BBC: Facebook��s future - ads and Android

Some firms do this by putting workers on the front lines on day one.

WSJ: Companies Try to Make the First Day for New Hires More Fun

Can I get around this by forming a separate company for each 9 of them?

FORBES: Magazine Article