The tiny, multitalented carbon tubes can carry single molecules, one at a time.

这种微小的，多才多艺的碳纳米管可以一次运输一个单分子

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WHEN pundits worry about the distorting effects of cheap money on asset prices, they invariably single out the carry trade as a cause for concern.

当学者为低息贷款对资产价格的扭曲而感到担忧时，他们总是指出套利交易是应引起注意的一个原因。

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Another firm always allowed for a single champion to carry a deal through rather than requiring partnership consensus.

另一家公司则总是允许个人推进交易，不要求所有合伙人达成一致。

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Passengers are being encouraged to check ahead with their airlines, to arrive an hour earlier than normal and to bring only a single carry-on bag with them.

VOA: standard.2009.12.27

People can now take a single carry-on bag, but I gather there are still airport delays.

NPR: Airline Plot Investigation Quietly Moves Forward

We said that four years ago when John Kerry picked John Edwards, and we said, what a great, inspired choice and yet, John Edwards didn't carry a single - and help the ticket carry a single southern state including his home state of North Carolina.

NPR: Political Junkie: Three Weeks to Pennsylvania

Their prototypes could boost the number of channels a single fiber can carry from 160 to up to 1, 000.

FORBES: Lighting up Nortel