Making a recent comeback, swing dance floors have popped up all over the world.

摇摆舞最近卷土重来，风靡全球。

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Sen. Obama's best bet at winning over swing states that went to Republicans last time probably lies in Colorado, Nevada and Iowa.

在上次投票支持共和党的“摇摆州”里，奥巴马这次最有可能拿下的是科罗拉多、内华达和爱荷华。

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By 1946, however, the battle over continental drift was in full swing.

然而，到1946年，对大陆漂移说的战斗进行得如火如荼。

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He must either drive Dodd-Frank to its full implementation or openly acknowledge that the pendulum has begun to swing away from over-regulation and towards a more balanced approach.

FORBES: Dodd-Frank's Fate Unclear with Changes at Top of SEC

Balfour fell behind 2-1 in the count, got two foul balls, then got Wells to swing over a 92 mph fastball, saving Oakland's 5-4 win over the New York Yankees on Sunday.

WSJ: Balfour fans Wells, saving A's 5-4 win over Yanks

Mr Obama may also have problems with Catholic voters a group that has been one of the most important swing votes in America since Ronald Reagan and that is over-represented in almost all the swing states.

ECONOMIST: Lexington