A How long have you worked here?

A你在这里工作了多长时间？

youdao

A How long is your wife staying?

A你妻子来这里待多久？

youdao

A How long have you lived in Beijing?

A你在北京住多久了？

youdao

It was a cancer. President Cleveland asked how long he could wait to have the cancer removed.

VOA: special.2010.06.17

Said a different way, in the case of the straight-line programs, how long would it take to run a program?

换种说法，在直线式程序里面，运行一个程序要多长时间？

麻省理工公开课 - 计算机科学及编程导论课程节选

it doesn't matter how rich you are. So, just being able to live a long healthy life.

再富有都没用。所以健康长寿最重要。

成为教练的理由 - SpeakingMax英语口语达人

This aims to place a value on how long a company takes to cover its costs of acquiring new customers.

FORBES: Three Things Every Software Investor Should Know

But there is a limit to how long such a crisis footing can be maintained, unless national survival is at stake.

ECONOMIST: The army

But it doesn't take a calculator to see how a long-term investor--which is what people investing for retirement are supposed to be--would pay a lot more after just a few years, even if up-front Class A-type fees are waived, as they often are in retirement accounts.

FORBES: R Shares, Competitive--But For Whom?