Another factor: Traders have placed an unusually high volume of bearish bets against the U.S. dollar in recent weeks and may want to lock in profits by reversing those trades, analysts say.

另外一个因素是：据分析人士说，交易员最近几周在看跌美元上押了非同一般高的赌注，他们可能希望通过逆转这类交易而锁定利润。

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A lock can fail, for example, if files on the target volume are currently opened by other programs.

锁定会有失败的情况，例如，当目标卷上的文件正被其他的程序打开。

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In return, cable companies will be able to lock consumers into multi-year contracts and get first dibs on high-volume streamers, the most profitable market segment.

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Ports for micro-USB and a 3.5mm headphone jack sit up top, with the volume rocker and lock key on the right and a covered slot for microSD or, in the case of the (gold) 308, a second full-sized SIM on the opposite edge.

ENGADGET: Hands-on with Nokia's Asha 308 and 309 (video) Mobile