释义：人际关系如果疏远了，就难以恢复；事情如果积累多了，就难以解决。说明了做人要重视人际关系的互动。

Sustainability isn't just a buzzword; it's a responsibility we owe to future generations.

I'm mentioning all this -- I'm mentioning all this because I think this is not merely a personal problem; you may think I'm wrong in this, but I think we live in an age when our lives are regularly punctuated by career crises, by moments when what we thought we knew -- about our lives, about our careers -- comes into contact with a threatening sort of reality.