要洗衣服，你又得再走去一个什么地方，同样，确定自己带上洗衣服需要的所有东西了。
Again, you must walk somewhere to do your laundry and you have to make sure you have everything you need to clean your clothes.
这个世界只有一个地方你确定可以改进，那就是你自己。
There is only one corner of the universe you can be certain of improving, and that's your own self.
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