I did not understand his strange behavior, but now it is clear as the sun at noonday; he is insane on that subject.

我不明白他的举止为什么那么奇怪，现在可一清二楚了，他对这一门根本就一窍不通。

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Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

同时还必须注意，实验技术的语法和行为在将来的浏览器版本中，容易遭到改变，这就跟说明书的改变一样。

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Therefore, the subject about the investor's buy behavior was taken as the research direction in the article.

因此，本文把基金投资者的申购行为作为研究的对象。

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