The GNU versions of lex and yacc are flex and bison and, as with all things GNU, have excellent documentation including complete user manuals in a variety of formats.

lex和yacc的GNU版本是flex和bison，与所有的GNU软件一样，它们也都有非常好的文档，包括各种格式的完全用户手册。

youdao

Like with anything else in life, if you want excellent results then focus on doing the most important things. Because there will never be time and energy enough to do it all.

正如对待生活中的任何其他事一样，专心于做最重要的事能够带给你最好的结果，因为一个人不可能有足够的时间和精力来完成所有事。

youdao

In this excellent book, philosopher and motorcycle repair-shop owner Crawford argues for the value of making and fixing things with our hands.

在这本书里，哲人，同时也是摩托车修理店老板的作者证明了动手能力的价值。

youdao

"UNASUR is doing some excellent work in integrating efforts in the region around things like energy and security.

VOA: standard.2009.04.18

And many truly excellent things about the idea to.

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Rajin and Sonbong have two things in their favor: a good location and an excellent natural anchorage.

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Would you say you have a vivid imagination, excellent ideas and the ability to understand things quickly?

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