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1·No matter how spic and span you keep your floors at home, there are still bound to be tiny particles down there that can get into your laptop's gears and mess things up.

无论你在家把地板打扫得多一尘不染，但一定还是会有一些小颗粒会进到你电脑的齿轮中，让事情变得更糟。

2·Imagine our surprise when we got to the station and found it spic and span and many times larger than even the Chennai international airport.

当我们到火车站后，发现火车站非常干净整洁，甚至比我们金奈国际机场还大好多倍，你可以想象我们有多吃惊。