And sexual selections give rise to a host of organisms, some of which survive and are fit and others which aren't.

性选择导致了大量有机体的产生，其中的一些有机体生存了下来,适应了竞争,而其他则遭到淘汰。

耶鲁公开课 - 心理学导论课程节选

They ran against something that was regarded with much more hostility by the Greeks.

他们和一些,更为希腊人所反感的对手竞争

耶鲁公开课 - 古希腊历史简介课程节选

So, the government created competitors and it privatized them so that both Fannie and Freddie became what are called GSEs -these are Government Sponsored Enterprises.

政府先培育一些行业竞争者,然后再让它们私有化,于是房利美和房地美,成为了所谓的GSEs,即政府支持企业

耶鲁公开课 - 金融市场课程节选