China's Internet advertising and online retail market is tiny — just 5% of that of the U.S..
不过中国的互联网广告以及在线零售市场的规模却很小，只相当于美国的5%。
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The retail/advertising game is a game based on volume. You make money on a lot of traffic to a single popular site or the sum of smaller amounts of traffic to many less popular sites.
Twomey used The Sims Online as an example of the sort of interface all companies in the future will be using, in fields including retail, client services, B2B and advertising.