"I do not want to disclose publicly the information we are getting, but we are intensively engaged through a whole variety of different channels, but I do not disguise the fact that we are extremely concerned for the safety of the hostages,"

VOA: standard.2009.07.29

People tend not to realize that the first question you should always ask yourself, is this really just something that's well-known in disguise?

已解决问题呢？,这是一个最短路径问题吗？,这是一个最近邻居问题吗？

麻省理工公开课 - 计算机科学及编程导论课程节选

Saying Iran's intention to build nuclear weaponry and its efforts to disguise this could not be clearer now, Berman said there can be no doubt Iran has been lying to the international community for years about its allegedly peaceful nuclear intentions.

VOA: standard.2009.09.25