The president says the detainee abuse photos he wants to block from release are "not particularly sensational" but would do no good if publicized.

VOA: standard.2009.05.13

So in other words, if thankful is still false at this point, it means this condition did not work out very well, and so I'm going to do this block of code again.

换句话说，如果thankful在这时候还是false值，这表示这个条件没有实现地很好，所以我将再次去处理这段代码。

哈佛公开课 - 计算机科学课程节选

Republicans do not have enough votes in the Senate to block Sotomayor's nomination.

VOA: standard.2009.05.30

Delegates in Spain hit a major stumbling block Tuesday when the African group pulled out of some climate talks, saying rich nations are not doing enough to tackle climate change.

VOA: standard.2009.11.04

Democrats outnumber Republicans in the Senate, but do not possess a majority large enough to block Republicans from using a procedural motion known as a filibuster to prevent a vote from going forward.

VOA: standard.2009.05.31