The main theme in this Thinking XML column has been semantic transparency, to clarify the meaning of constructs in XML schemata and instances.

为了解释XML schemata和实例中的结构的含义，这个Thinking XML专栏的主要主题一直关注语义透明性。

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WordNet represents an important parallel to the central theme of this column: Thinking XML covers semantics in XML; WordNet provides a sketchy model of the semantics of natural language itself.

WordNet 代表了和本专栏中心主题平行的一个重要研究方向：Thinking XML 讨论 XML 的语义，WordNet 则提供了自然语言本身语义的粗略模型。

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Expect does more than most people realize; that's the main theme of this column.

Expect所做的比大多数人所认识到的要多；这就是本专栏的主题。

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Continuing on my last column s theme, I offer several more classic investment books, all worthwhile investments in their own right and prudent additions to your library.

FORBES: Portfolio Strategy

Liberalization of immigration laws was a theme of this column before the election (and a theme of this columnist for many years before).

FORBES: The Republican Party Needs A Reset On Immigration

This relates to a theme this column has struck since the election: the increasingly open hostility toward whites from mainstream left-liberals (outside academia, where this sort of thing has been fashionable for decades).

WSJ: 'Voter Suppression,' Debunked