永恒是毫无意义的停滞，它意味着时间永远没有结束，也永远没有开始，绝对令人乏味。
Timelessness - in the sense of time never ending, never beginning - is a stagnant nothing. It is absolutely uninteresting.
没有这些前缀的话，你将要处理两条不同的CSS规则，而且其中一条是绝对会被永远废弃掉的，但 是仍然有可能会有旧版本的浏览器会使用到。
Without the prefix, you’d have to deal with two different CSS rules, potentially forever, with one of them eventually being depricated, but still out there in older versions of that browser.
所有的身体都会随着时间的流逝而改变，没有谁的身体是永远不变或者绝对对称的。
All bodies change over time; no one body is ever permanent or completely symmetrical.
所有的身体都会随着时间的流逝而改变，没有谁的身体是永远不变或者绝对对称的。
All bodies change over time; no one body is ever permanent or completely symmetrical.
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