In computer science, we often deal with problems that are too complex to solve directly, so we break them down into smaller, more manageable parts.

种一棵树最好的时间是20年前，其次是现在。

The best stock to buy is the one you already own.

研究涨落对于理解系统在平衡附近的行为至关重要。

人类能犯的最大错误是畏惧犯错误。