Being a patient in certain hospitals in the month of July can be dangerous or even deadly.

VOA: special.2010.06.16

That is to say, theory has certain ambitions to a totalization of what can be thought that resembles or rivals philosophy.

也就是说，理论探讨的问题,与哲学相似或相媲美,而且倾向于把它完整化。

耶鲁公开课 - 文学理论导论课程节选

A Christmas tree, in other words, is a sign that can only be understood intelligibly in terms of a certain cultural understanding.

也就是说，它仅仅用于，也仅仅在一定的文化背景中,才能有意义，被理解。

耶鲁公开课 - 文学理论导论课程节选

If this were all there were to it then some sum of money would be offered, after a certain amount of haggling a deal would be reached and the rights would be purchased by Apple.

FORBES: Apple Might Have a Serious Problem With Proview and the iPad Trademark

This president can be careful with words, and likes to be certain of his facts before making judgements.

BBC: Obama's cautious approach on Boston

One official called the decision to remove Libya from the terrorism list a "political decision" that would be taken only after the Bush administration can be certain of assurances from all levels of the Libyan government that it has ended support for terrorism.

CNN: U.S. to lift final sanctions against Libya