The more you learn, the more you realize how little you know.

悲伤会改变形态但永远不会真正离开我们。

Agricultural research should address national needs and solve practical problems, it cannot be separated from production practice.

管理的主要目标应该是确保雇主的最大繁荣，同时确保每个员工的最大繁荣。

每个爱情故事都是伪装成幽灵的故事。