The findings suggest that the human brain has developed this special ability as a survival method.

VOA: special.2010.02.24

His examples are typically drawn from situations of human beings or polities in extremes where the very survival or independence of a society is at stake.

他的范例是,典型地取材自人类,或政体在极端下的处境,即当存活或一个社会的独立,已面临考验。

耶鲁公开课 - 政治哲学导论课程节选

Sudanese human rights activists are in Geneva appealing to the UN Human Rights Council and to various U.N.aid agencies to help millions of people in Darfur whose very survival is at stake.

VOA: standard.2009.03.28