The rapid succession of events restructuring, the system. Hungary Czechoslovakia . which marked the end of the Cold War is not in dispute.

VOA: standard.2009.11.03

It's simply your psychological immune system will become stronger, hopefully already by the end of this semester.

只是你的心理免疫系统会变得更强，希望在本学期未就见成效。

哈佛公开课 - 幸福课课程节选

Those who profess to love the Union are not so anxious to preserve slavery, while those who are opposed to the war acknowledge in all their actions that its continuance will put an end to this accursed system.

那些宣称热爱联邦的人,并不急着想保存奴隶制,同时那些反战的人,他们以行动昭告天下,战争会持续到这种被人唾骂的制度结束

耶鲁公开课 - 美国内战与重建课程节选

"Unless we reconstruct and maintain the international financial system, if countries start doing it bilaterally instead of multilaterally, the system will fall apart and we will end up in a depression,".

VOA: standard.2009.03.29

The same thing with these cells here, as these cells undergo continual divisions, they're changing in ways that make them mature, that make them more like the mature cells of the nervous system, for example, if that's where they end up being but they're losing potential as they go through that differentiation process.

细胞也是这样,在连续分裂的过程中,它们愈发成熟,比如说,变得越来越像,神经系统细胞,如果它们最终将构成神经系统的话,那它们在分化的过程中,就失去了许多潜能

耶鲁公开课 - 生物医学工程探索课程节选

"Exclusion is at the end of a complicated chain that often begins with poverty and the lack of education, involves the criminal justice system, the penal institution and often ends in isolation, bitterness and disfranchisement."

VOA: standard.2010.03.25