be famous for ：是以.....而著名的意思，如：Gui Lin is famous for its beautiful sights.(桂林以它美丽的风景而著名。）
当主语是表示人的名词时，be famous for表示“以某种知识、技能、作品或特征而出名
当主语是地点名词时，be famous for 表示“以某种特点（产品）而出名”
)当主语是事物名词时，be famous for表示“以其内容、特征、价值等而被人所知”
Einstein was famous for his Theory of Relativity.
爱因斯坦以他的
相对论而著名
Scotland has many lakes and mountains, and is famous for its beautiful countryside.
苏格兰有许多湖泊和山脉，并以其乡村美景著称。
This grammar book is famous for its practical usage. 这本语法书以其实用性而被人所知。