过去，商业太空运输几乎专指用一次性运载火箭将通信卫星送入地球同步轨道。

It used to be that commercial space transportation was almost exclusively about launching communication satellites into geosynchronous orbit using expendable launch vehicles.

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Wags(或者Wags)是英国小报对职业足球运动员的老婆或女友的缩写，最初专指英国球员的家属。

Wags (or Wags) is an acronym used particularly by the British tabloid press to describe the wives and girlfriends of high-profile football players, originally the England national football team.

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我是专指永久居民而言，以别于临时访客。

I refer specifically to permanent residents, in contradistinction to temporary visitors.

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