草稿可以用双面列印的方式上交，但期末版本需要单面列印。

Drafts can be submitted on two sides of the page, but the final revision must be submitted single-sided.

youdao

草稿可以用双面列印的方式上交，但期末版本需要单面列印。

Drafts can be submitted on two sides of the page, but the final revision must be submitted single-sided.

youdao