The mortgage payment was decided when you took out the mortgage, so that never changes; they than figure out what your mortgage balance is.

每月偿还额是一开始确定的,因此不变,这样就能算出当前的贷款余额

耶鲁公开课 - 金融市场课程节选

In contrast, justice itself never changes.

相比之下,公正本身不会改变

耶鲁公开课 - 死亡课程节选

Beauty itself never changes.

美丽本身不会改变

耶鲁公开课 - 死亡课程节选

The number 3 never changes.

数字3从来不变。

耶鲁公开课 - 死亡课程节选