Most of the time we are going back and forth.
大多数时候，我们都在两者中来回摆荡。
For sure we are going back and forth with it.
我们在这方面已经做了很多准备工作。
The brothers spent the night going back and forth with their rice.
兄弟俩用整夜的时间往返运送大米。
"It was a very competitive game," said Powell, "with the momentum going back and forth."
鲍威尔说“这是一场竞争激烈的比赛，局势来回反复。”
Ever find yourself going back and forth between screens to copy text on your BlackBerry?
你是否经常在黑莓上来回的切换后台程序就是为了拷贝文本？
Ever find yourself going back and forth between screens to copy text on your BlackBerry?
你是否经常在黑莓上来回的切换后台程序就是为了拷贝文本？
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