The system helped cause the South to be the poorest part of the United States for many years.

VOA: special.2010.02.04

No, not really. There's nothing in the laws of acoustics here that cause that to be the case.

没有,算不上,没有任何的声学法则,是它的成因

耶鲁公开课 - 聆听音乐课程节选

Whenever there is a force, it can be traced back to a tangible material cause, which is all the time a force of contact, with the exception of gravity.

如果有作用力,那它一定能找到一个明确的实体施力物体,也就是无论何时物体受的都是接触力,引力除外

耶鲁公开课 - 基础物理课程节选

Russian Railways president, Vladimir Yakunin, says that the cause of the derailment has yet to be determined, but sabotage has not been ruled out.

VOA: standard.2009.11.27

It is the thumos that is the cause of-- that should be the cause of your shame at slowing down to look.

那便是由，Thumos，所引起-,那应是你慢下观看时,感到羞耻的原因。

耶鲁公开课 - 政治哲学导论课程节选

The report calls for stronger steps to be taken by advanced economies to reduce carbon emissions, seen as the main cause of global warming.

VOA: standard.2009.09.01

While medical examiners have not yet released the cause of his death, Munganga wonders if it might be linked somehow to Jackson's many plastic surgeries.

VOA: standard.2009.06.28