Heather and her husband are very busy because they are never off duty.

希瑟和她丈夫很忙，因为他们从不下班。

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"Because sometimes you are busy and sometimes your friends are busy.

VOA: special.2010.05.27

How do you get there? You go to go here, here and these could be busy roads, and so parents don't want to do it because of safety reasons, so you see how--when the country used to be laid out in a grid, like say New York City still is today, then people walk to get to places.

那要怎么才能去呢,你得绕道这里,还有那里的繁忙路段,出于安全原因家长们不允许孩子们这么做,可以看到,规划为网格状道路的地区,比如依旧保留了传统规划的纽约,人们出行是靠步行

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

because it's got... It's really touristy. It's really busy. There's always things going on.

因为它变得……那里的游客真的很多。那里确实很热闹。经常举办活动。

伦敦的约会路线 - SpeakingMax英语口语达人

Luckily, nobody was killed or seriously injured, because the busy village had been hastily evacuated after a warning.

ECONOMIST: Northern Ireland

In Tampa, hundreds appear to have received tickets because a busy yellow was set at three seconds when the state minimum is 4.5.

WSJ: Jenkins: The Answer Is a Longer Yellow

The EU study says says the problem of limited capacity is likely to worsen because many busy airports, including London Heathrow and Paris Orly, do not plan to expand.

BBC: EU Commission: Airport slots need improvement