多项式时间归约的概念对于理解NP完全问题的结构至关重要。

Computers don't introduce order anywhere as much as they expose opportunities.

The writer's only responsibility is to his art.

I'm not afraid to fall, because I know I'll get back up.

Success is not about the destination, but the journey.

成功交易的关键是知道何时买入和何时卖出。