Often the best ideas for big changes come from unexpected places—it's just a matter of tuning in.

大变革的最佳理念往往来自于意想不到之处——这只是个协调优化的问题。

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I was just about to go out when an unexpected visitor came.

我正要出门，这时候来了一位不速之客。

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Her death was completely unexpected – Angela had just talked to her a few days prior and there weren’t any signs that her passing would be soon.

她的离开完全出乎意料--安吉拉前几天还和她交谈过，而且没有任何她即将离世的征兆。

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Just last week,the Commerce Department reported an unexpected drop in December in the number of housing starts by builders.

VOA: special.2011.01.24

I thought he was just a tremendous character he do so unexpected to encounter this level.

我认为他是个了不起的演员,因为他在这个角色上达到的水平,真的是让人难以置信。

麻省理工公开课 - 电影哲学课程节选

It was just unexpected, given what you might think about people like this: it would have been so easy for them to just ignore me.

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New York is on the brink of a Super Bowl that's just as unexpected as the Super Bowl it won four years ago.

WSJ: Jason Gay: San Francisco Is Very Hard to Hate

The way this shoe was first shown was just as fun and unexpected, too.

FORBES: Jordan XX8 Sneaker 'Not For Everyone,' Inspired by Best Michael Jordan Quote Ever