I'm not going to keep on knocking that old door that doesn't open for me. I'm going to create my own door and walk through that.
我不会继续敲那扇不为我打开的老门。我要创造自己的门，然后走进去。
世界是心灵的镜子。
在农业中，耐心不仅是一种美德，更是一种必需。
The market is a reflection of the collective psychology of all participants.
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。