2000年网络类股崩盘后，美国股票似乎度过了低回报的十年。

American equities may have had a decade of poor returns since the dotcom crash in 2000.

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语义网的方法主要可分为两类：经典的自底向上和新兴的自顶向下的方式。

We have written a lot about the different approaches to the Semantic Web - the classic bottom-up approach and the new top-down one.

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网簿是一类热销的消费品。

Netbooks are a hot-selling consumer product.

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