冰炭不同器而久，寒暑不兼时而至
冰和炭不能长久放在同一个容器里，寒天和暑天不会同时到来
Sustainability isn't an option; it's a responsibility we owe to future generations.
I'm not a businessman, I'm a business, man!
一个组织的沟通质量决定了其关系的质量。
I'm tough, I'm ambitious, and I know exactly what I want. If that makes me a bitch, okay.
相位裕度是系统在变得不稳定之前可以容忍的程度的度量。