These cubs are not going to survive once they are born so the female's best strategy is to get rid of them and start anew.

一旦幼仔出生后不能生存,雌狮的最好方式,是摆脱掉它们，开始新生活。

耶鲁公开课 - 心理学导论课程节选

because you’ve got to, you've got to survive even though you're not gonna be rewarded financially.

因为即使你不能得到太多金钱上的回报，你还是得靠此生存，

建筑学专业教授 - SpeakingMax英语口语达人

Salvation is available,and with it immortality, but it comes from God and it doesn't come in the world in which we live, but in some other world to be achieved in the future.

人可以被救赎而不朽,但只能依靠上帝,这在我们生存的世界里是不能实现的,但也许在将来某个世界中能够实现

耶鲁公开课 - 古希腊历史简介课程节选