如果这是你的本能反应，请注意，还有一件事比你一开始就明白这一点更耗时，更浪费钱。
If this is your instinctive reaction, note that the only thing more boring and time - and money-consuming than getting this right at the start is the nasty mess you'll find if you get it wrong.
虽然这对于关于sysfs的结构和udev如何匹配值的介绍很有用，但手工对sysfs的梳理是个既耗时也没必要的事。
Although this serves as a useful introduction as to the structure of sysfs and exactly how udev matches values, manually trawling through sysfs is both time consuming and unnecessary.
看书却是一件耗时间的事，而且看书的时间都花在自己的脑部活动上，不像看电影或电视，可以和他人边看边聊。
But reading took so much time, all of it spent inside someone else's head. Movies and TV, you could watch them with other people.
出售你的房子很可能是费钱耗时的事。
Selling your house can be a costly and time-consuming business.
对一位艺术家来说，在耗时许久完成作品后，退后并看看它一定会是件很有成就感的事。
Well, for an artist it must be rewarding to take a step back and admire a time-consuming project once it's finally finished.
对一位艺术家来说，在耗时许久完成作品后，退后并看看它一定会是件很有成就感的事。
Well, for an artist it must be rewarding to take a step back and admire a time-consuming project once it's finally finished.
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