In special cases, a husband can deduct the travel expenses of his wife who accompanies him on a business trip.

在特殊情况下，丈夫可以扣除差旅中随行妻子的旅费。

《柯林斯英汉双解大词典》

And then we were looking at special cases.

然后我们看了特殊的例子。

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Special cases where XML indexes cannot be used

不能使用 XML 索引的特殊情况

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Yet technology can have special importance in some cases.

VOA: special.2009.12.17

Ademar Barilli says that women traveling alone are especially vulnerable, and that the safe house pays special attention to such cases, although they are not unusual.

VOA: standard.2009.09.01

"I am therefore assigning priority to reforming and reorganizing our prison system, reviewing procedures for investigating alleged crimes by the state for special appeals and for the cases of detention without trial for citizens."

VOA: standard.2010.07.20

Hong Kong and Singapore are obviously special cases, trying to strike a precarious balance.

FORBES: Magazine Article

Media gagging orders in Israel are rare and issued in special cases concerning national security.

BBC: Australia orders review into Israel Prisoner X case

They say that while three embryos are usually enough, there are special cases when they need more.

CNN: Georgia 'Octomom bill' would limit embryo implants