In release builds, do not return unknown exceptions as faults except in diagnostic scenarios.

在发布构建版本里，不要返回不可知的异常做为错误，除非是在调试场景里。

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You Will LearnMore Often – When your curiosity steers youinto the unknown you will return with a greater wealth of knowledge.

你将学到更多——当你的好奇心带领你走进未知时，你将收获一笔更大的知识财富。

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If an unknown class is referenced only in the implementation class (the bean class of the EJB) either as a return object or in the code, the AAT tool does not check for this class.

如果一个未知的类只在实现类(EJB的bean类)中被引用，作为返回对象或者在代码中，那么AAT工具将不检查这个类。

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The wildcard in all of this is Rose, whose return is still unknown although he has been practicing with the team.

WSJ: Lopez, Blatche help Nets hold off Pistons, 103-99

With the majority of CDOs being backed by mortgages, the principal-only tranche has a known future cash flow, but at a variable rate of return, while the interest-only tranche has both an unknown cash flow and an unknown rate of return on that cash flow.

FORBES: 3 Bonds You May Have Never Heard Of

But Gervais has promised Brent will return, although it is unknown whether he will just come back for a one-off or a whole series.

BBC: Gervais and Kay playing for laughs