The value of mobile design for sales-driven websites is a little trickier to judge.
手机访问页面对于销售驱动型（即电子商务）网站的价值究竟如何，是一个复杂纠结的判断。
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If you're in need of a website with a clear commercial focus-be it advertising-supported or sales-driven-put your focus on the majority of your site visitors.