翻译:事物的增减盈亏,都是随时间的变化而变化的。
If you feel pain, it's because you're growing.
The circular economy isn't just good for the planet - it's good business.
如果我们知道我们在做什么,那么这就不叫科学研究了;不是吗?
Problem solving is a search through a space of possible solutions.