Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.

细节不是细节，它们构成了设计。

科技能让我们更聪明地捕捞，而不是更辛苦。

The development of efficient algorithms is not just a theoretical exercise; it has practical implications for the way we live and work.