They both smiled; neither seemed likely to be aware of my absence for long.

他们两个人都笑了，看来都没意识到我离开了很长时间。

《柯林斯英汉双解大词典》

Long prison sentences can be a very effective deterrent for offenders.

判处长期徒刑可对违法者起到强有力的威慑作用。

《牛津词典》

Applying for jobs can be a long and painful process.

求职可能是一个漫长而又艰难的历程。

《牛津词典》

Suspending habeas corpus means that a prisoner can be held without trial for as long as the government wants.

VOA: special.2009.02.09

A lot of these processed foods have very long shelf lives and therefore can be stored for long periods of time.

很多加工食品为了便于储藏销售,都有很长的保质期

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

How it ends up in the long run for the Dutch is that the Dutch cease to be a great power.

荷兰长远之后的下场,便是荷兰国力日衰,风光不再

耶鲁公开课 - 欧洲文明课程节选

This weekend's set to be a hot one around the country, meaning make-up won't be long for this world once you've left the house or hotel room.

FORBES: Magazine Article

Not so much in Tokelau, where its three atolls of Atafu, Fakaofo and Nukunonu may not be long for this world, due to rising sea levels as a result of climate change.

FORBES: South Pacific 2012: Samoa and Tokelau Jump To New Year's Eve Early

American Airlines and any other company that can't fulfill its core mission on a regular basis, whether it's safe and efficient airline travel or safe peanut butter or cynanide-free Tylenol, may not be long for this world.

CNN: How would you save American Airlines?