Cases where an aliased mutable object gets unexpectedly modified can crop up in a number of subtle and surprising ways, and debugging them can be extremely difficult.

有别名的可变对象被意外修改的情况会以许多微妙且令人惊奇的方式突然出现，并且调试起来相当困难。

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In some cases, however, subtle differences between versions of a specification can cause a lot of trouble.

然而，在一些案例中，规范的版本间的微妙区别会带来很多麻烦。

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The default input buttons may not be suitable in some cases, and the text links are sometimes too subtle.

默认的输入按钮在许多情况下也许并不那么合适，而文本链接有时候则太难以察觉了。

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Unlike many analysts who tend to lapse into empty corporate-speak (echoing the managers they cover), Adelman writes and speaks in clear, fact-laced phrases that ably convey nuances in court cases and subtle market shifts.

FORBES: Marlboro Man

Some of the changes within PA DSS are subtle, such as eliminating redundancies in Requirements 10 and 11, in some cases combining sub-requirements.

FORBES: Payment Card Industry Punts On Key Security Questions