例句：

　　事實很明顯，沒有人真正了解。

　　The plain fact is that nobody really knows.

　　醫生對這種疾病還了解不多。

　　Doctors still don't understand much about the disease.

　　據我了解，會議是在星期四。

　　It is my understanding that the meeting is Thursday.

　　喬治對世界的了解令她傾倒。

　　George dazzled her with his knowledge of the world.