We're not sure if those folks are now having regrets about their choices, but if so, they'll be happy to know they now have the option to select a username yet again. But only once, says Facebook.

我们不知道这些家伙现在是否后悔当初的选择，不过如果他们后悔了的话，下面这个消息对来来说可是个好消息，现在他们可以重新在选取一个用户名，但是Facebook称，只有这一次反悔的机会。

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You can select Notify me once about updates to be notified only once (usually when Eclipse is started), or select the other option to be notified at specific intervals.

您可以选择Notify me once about updates，让它只通知一次(通常是启动Eclipse时)，或选择其他选项，让它在特定的时间间隔通知您。

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The changelings select carefully, for such opportunities might come along only once a decade or so.

换生灵挑选对象很仔细，因为这种机会大概十年左右才有一次。

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