塑料的真正成本不在于生产,而在于它的后续处理。
The most important thing is to focus on the customer experience.
When you get an invitation to do something in the future, ask yourself: would you accept this if it was scheduled for tomorrow? Not too many promises will pass that immediacy filter.
代数簇的算术是窥探数学隐藏结构的窗口。
The mind is a system of interacting sensations.