PID控制器是控制工程师的通用工具，适用于各种各样的过程。

The construction industry needs to accelerate the application of BIM and other digital technologies.

任意能让你脱离现实的避风港，都是艺术。

And America, too, is a delusion, the grandest one of all. The white race believes—believes with all its heart—that it is their right to take the land. To kill Indians. Make war. Enslave their brothers. This nation shouldn’t exist, if there is any justice in the world, for its foundations are murder, theft, and cruelty.