城市生活拥挤，也不廉价，谁都知道没有钱是没有办法在这里成存的。

City life was crowded and not cheap, everyone knows that there is no way to survive without no money.

youdao

男孩对女孩说：你锉你的指甲吗？(还可理解成：你存你的指甲吗？)

Boy to girl: do you file your nails? Girl: No, I cut them off and throw them away.

youdao

水资源的供需矛盾日趋尖锐，成区域水资源开发存的急需解决的足，解决水资源紧缺的措施。

Contradiction between supply and demand of water resources become more acute, as regional water resources development and utilization of the most urgent problems to solve water shortage measures.

youdao

s2 So, I'm passing in the first character in s2, I'm making it uppercase and then I'm putting it back so casually speaking this is just capitalizing the first letter of whatever word the user typed in to s2.

那么，我把第一个字符传递给，我把它转换成大写的，然后存下来,简单说，这就是把用户输入s2中的单词,的第一个字母转换成大写的。

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