A textbook required for the course was a slim volume called the Elements of Style, whose author was the professor himself.

课程所需的课本是一小册子，叫《文体要素》，其作者就是教授本人。

youdao

A textbook required for the course was a slim volume called the Elements of Style, whose author was the professor himself.

课程所需的课本是一小册子，叫《文体要素》，其作者就是教授本人。

youdao