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http://www.amazon.com/Responsive-Design-Brief-People-Websites/dp/098444257X/ref=sr_1_5?s=books&ie=UTF8&qid=1448721157&sr=1-5&keywords=mobile+first
您即将离开知乎,请注意您的帐号和财产安全。
http://www.amazon.com/Responsive-Design-Brief-People-Websites/dp/098444257X/ref=sr_1_5?s=books&ie=UTF8&qid=1448721157&sr=1-5&keywords=mobile+first