The effect of a disease - or a condition like obesity - can be tallied by a measure called quality-adjusted life years lost.

VOA: standard.2010.08.10

And this spin is an intrinsic quality of the electron, it's a property that is intrinsic in all particles, just like we would say mass is intrinsic or charge is intrinsic.

自旋是电子的本征量，它是所有粒子的本征性质，就像我们说质量是本征的或者电荷是本征的。

麻省理工公开课 - 化学原理课程节选

And so it's a nicer place to be if you like having a good quality of life.

所以，如果你想有个高质量的生活，那里是个很好的居住地。

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