She tries to keep fit by jogging every day.

她每天慢跑以保持健康。

《牛津词典》

Keep applying and by the law of averages you'll get a job sooner or later.

继续申请吧，根据平均律你迟早会找到工作的。

《牛津词典》

Rural schools were hamstrung by their inability to attract and keep experienced staff.

农村学校因不能吸引并留住有经验的教师而难以为继。

《柯林斯英汉双解大词典》

The idea is to help keep a competitive balance by preventing the wealthiest teams from getting all the good players.

VOA: special.2010.07.26

And we want to divide all of that by our wavelength, and to keep our units the same we'll do meters.

我们想用波长除以所有这些，而且保持单位统一我们采用米。

麻省理工公开课 - 化学原理课程节选

If they're paid by commission on each trade they just keep calling you up and coming up with new ideas for new trades.

如果他们的薪水来自交易中抽取的佣金,他们就会不断拜访你,告诉你一些关于新交易的新点子

耶鲁公开课 - 金融市场课程节选

In other words, Aequitas earns its keep by finding errors in mortgage paperwork for lawyers and regulators.

FORBES: Mortgage-Audit Firm -- Surprise! -- Finds Lots of Errors in Foreclosures

Every day more than fifteen million people earn their keep by persuading someone else to make a purchase.

FORBES: Fiscal Cliff Fix - Honk If You Love Someone

The lead investors at venture firms earn their keep by collecting management fees to the tune of 2% of the fund size.

FORBES: The Aughts: Venture Capital's Zombie Decade