"As soon as couples live together, it becomes more difficult to break up," she explained.

“一旦情侣们住在一起，就变得很难分手，”她解释道。

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Expat advocates saythat as it becomes more difficult for Americans to live and work abroad, itwill become harder for American companies to compete.

海外公民的支持者们称由于美国人在外国居住和工作变得越来越困难，美国企业的竞争力正在下降。

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'Because it's so easy to receive emails constantly, and get notifications from, it becomes more difficult for us to separate our waking and sleeping lives.'

因为持续地接收电子邮件很容易，又能随时听到智能手机的提示音，所以我们要将清醒和睡着时的生活分开变得困难起来。

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I think it becomes more difficult.

我想就变难了。

学习是生活的一部分 - SpeakingMax英语口语达人

Yet each year it becomes more difficult to measure Christmas in anything other than retail sales.

BBC: An eye on simplicity

As they age, it becomes more difficult to force the crude from them.

FORBES: Magazine Article

The company is now making less money from each user as it becomes more difficult to generate advertising revenue.

BBC: Facebook's Instagram bid gets go-ahead from the OFT