In principle, this value, this efficiency, can approach 1 as the low temperature approaches absolute zero.

这个值，效率，当低温热源的温度1,是据对零度时可以达到一。

麻省理工公开课 - 热力学与动力学课程节选

Modest container theories, that is, say there's a value to being alive, but it can in principle be outweighed.

保守的有价值容器理论认为，活着有一定的价值，但是按道理它可以被超越。

耶鲁公开课 - 死亡课程节选