The Pacific Dawn has been blamed for the recent increase in swine flu infections in Australia after health officials allowed hundreds of passengers to go home at the end of a previous cruise, despite a suspected outbreak onboard.

VOA: standard.2009.05.30

And I want you to get used to this, that colon is important, it identifies the start, and then the set of indented things identify all the things at the same level, and when we reset back to the previous level, that's when we go back to where we were.

我希望大家熟悉这个结构，冒号很重要，它定义了开始的地方，然后缩进号代表着,同样一层的对象，当我们到了，不缩进的地方的时候，也就到了以前的状态。

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Let's think about it a bit, let's go back to the previous picture.

好好想想,再看看前一张图

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Brown if we can go back to the previous slide.

布朗,让我们回到上一张幻灯片

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