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http://www.quora.com/Tips-and-Hacks-for-Everyday-Life/What-is-something-useful-I-can-learn-right-now-in-10-minutes-that-would-be-useful-for-the-rest-of-my-life
您即将离开知乎,请注意您的帐号和财产安全。
http://www.quora.com/Tips-and-Hacks-for-Everyday-Life/What-is-something-useful-I-can-learn-right-now-in-10-minutes-that-would-be-useful-for-the-rest-of-my-life