Going back and forth between two homes can be tough, especially if parents live far apart.

在两个家之间搬来搬去很不容易，特别是当父母的住处相距遥远时。

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Still, the end result proves that Gen Y switches back and forth between applications far more than the Boomers do.

不管怎样，最终结果仍然证明Y一点在不同应用之间的反复切换要比婴儿潮一代的人频繁上许多。

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One little bit of trivia that we haven't touched on so far is how are these SOAP messages transmitted back and forth?

到目前为止，我们尚未涉及的一个细节是这些SOAP消息是如何来回传递的？

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float So thus far, when we've defined -- declared an int and a float, 2 and so forth, we just put one value in there, the number 2, the number 3.14, just one single value.

至此，当我们定义--声明一个int，和一个，等等，我们只要在那里放置一个值，数字，数字3，14，只有一个值。

哈佛公开课 - 计算机科学课程节选

Also cable, on which messages can whizz back and forth, is far better-suited than satellite to the interactive age.

ECONOMIST: Tests for television

It has been back and forth for the metal so far this week.

FORBES: Gold Traders Eye U.S. Dollar, Technicals As Consolidation Continues

No doubt many more Americans were employed in shuttling Americans like Kennedy back and forth from Hollywood way back when, but far from an economic positive, this waste of labor was an economic weight thankfully erased eventually by airplanes.

FORBES: The Economics of Joseph P. Kennedy, The Kennedy Family's Patriarch