A person needs to walk how many roads to become a real person.

过去已成过去，但未来是一张白纸。

"The stories we tell about ourselves and others have the power to shape our understanding of the world."

模块化对于构建大型、可维护的系统至关重要，因为它允许我们将复杂的问题分解为更小、更易管理的部分。