Graceful degradation versus progressive enhancement
http://ued.taobao.org/blog/2008/10/understanding-progressiveen-hancement-chs-translation/
http://www.w3.org/wiki/Graceful_degradation_versus_progressive_enhancement
http://ued.taobao.org/blog/2008/10/understanding-progressiveen-hancement-chs-translation/
http://www.w3.org/wiki/Graceful_degradation_versus_progressive_enhancement