It always seems impossible until it's done.
You are not the opinion of someone who doesn't know you.
流放不仅仅是一个地理概念;它是一种心态。
The challenge in computer science is not just to solve problems, but to understand why they are problems in the first place.
你不能只问顾客要什么,然后想法子给他们做什么。等你做出来,他们已经另有新欢了。