船舶自动转向的引入是一个相当困难的问题，但解决方案在于PID控制器的应用。

Integrity is the cornerstone of trust, and trust is the foundation of any successful relationship.

天地相互配合，才产生了万物；阴阳相互结合，世界才会变化；行为合乎礼仪，天下才能安定。

The past is not a burden but a foundation upon which we build our future.

学习新编程语言的唯一方法是用它编写程序。