人们关注的主要原因是美国名众重视其外表。

The primary cause of this concern is the value that American society in general assigns to physical appearance.

缪斯·克莱门斯，以马克·吐温知名，成了美国名作家。

Samuel Clemens, who was known as Mark Twain, became a famous American writer.

塞缪斯·克莱门斯, 以马克·吐温知名, 成了美国名作家.

Samuel Clemens , who was known as Mark Twain, became a famous American writer.