这是中国最新的高速列车，也是世界上最快的列车。
It is China's newest high speed train and also the fastest train in the world.
据美国《新闻周刊》报道，皮尤研究中心最新调查显示，2008年到2010年间，社交网络的用户中数量增长最快的年龄群体是55岁到64岁之间的中老年人。
The age group that saw the fastest growth in social network use between 2008 and 2010 was the 55 to 64 crowd, according to a new survey from Pew Research, Newsweek reported.
今年最新浏览器都是伴随着重量级的宣传攻势登场的，你也可以看到说每家都宣称自己的浏览器是最快的浏览器。
Read the hype on every new web browser released or due out this year, and you'll see claims that every one of them is "faster" than all the others.
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