extra-curricular造句

The money he made from these extra-curricular activities enabled him to pursue other ventures.
他从这些额外工作中赚取的钱使他可以从事其他事业。

Yeah, but it was only discussed as material for extra - curricular studies.
嗯, 不过是作为课外材料来讲的.

We must understand that I am talking about the book, referring to the extra - curricular books.
大家要明白,我所说的书, 指的是课外书.