It is cheaper to have extra building work done when the builder is on site, rather than bringing him back for a small job.

趁建筑工人在工地上时叫他们完成额外的建筑工作要比叫他回来做一点小工便宜。

《柯林斯英汉双解大词典》

After a long day of hard work, my only concern is to get back home and have a good sleep.

辛苦工作了一整天，我唯一关心的就是回家好好睡一觉。

youdao

Some writers create an entire work before going back to read what they have written, while others may rewrite a single paragraph many times before moving on.

有些作家在回头阅读之前已经创作了一部完整的作品，而另一些人在继续写作之前可能会把其中的一个段落重写很多次。

youdao

But after the war, women were expected to stay at home and have babies while their husbands went back to work in factories and laboratories.

VOA: special.2009.05.13

In fact, if the other person is working hard, or is cutting back on their carbon emissions, you have every bit more incentive to not work hard or to keep high carbon emissions yourself.

实际上,如果其他人正在努力工作,或者正在尽量减少碳排量,你总会有想偷懒的动机,或者总是继续大量排碳

耶鲁公开课 - 博弈论课程节选

Notice here that it's different than the binary search case. We're certainly dividing down, but the combination now actually takes some work. I'll have to actually figure out how to put them back together. And that's a general thing you want to keep in mind when you're thinking about designing a divide and conquer kind of algorithm.

一个分治的例子,注这里，与二分查找所不同的地方,我们肯定是分解了,但是合并的过程还是需要一些工作量的,我会详细说明怎样把它们合并在一起的,当你在考虑设计一个分治算法时,这是你要必须记住的最基本的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

One mother said it was "not fair that only well off people are able to choose how long they can spend off work while poorer people have to go back to work".

BBC: UK bosses urge MEPs to vote against EU maternity plans

They often, for example, experience difficulty weaning babies onto formula milk once the baby is used to breast milk and they have to go back to work.

BBC: Breast vs bottle

The construction crew may come into a neighborhood, upgrade one home one week, and then they have to come back to work in a neighborhood home a few weeks later, maybe the same neighborhood.

WHITEHOUSE: VP Biden Announces "Retrofit Ramp-Up" Awards