今日世界最大的书上亚马逊是一家软件公司，它的核心能力就是自己为在线销售一切所作的超强的软件引擎。 零售店没有必要了。

Today, the world's largest bookseller, Amazon, is a software company—its core capability is its amazing software engine for selling virtually everything online, no retail stores necessary.

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仅在过去的几天时间里，世界最大的在线搜索公司Google的两位高管宣布他们由于个人原因即将离任。

In the last few days alone, two top-level executives at the world's largest online search company, Google, announced they would be stepping down from their posts due to personal reasons.

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TripAdvisor能在线为旅客提供丰富的的航班线路选择（信息都是来自世界最好的航空和旅游公司）。

TripAdvisor provides one of the widest selections of flight choices online from the world’s top airlines and travel companies.

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