金融债券是间接融资吗:we used a bookshelf to store books.=a bookshelf ()()()()books.

来源:百度文库 编辑:神马品牌网 时间:2024/05/05 09:07:36
used改为use

is used for storing

a bookshelf is used for storing books.

is used to store或者
is used for storing
两种都可以.

was used to store

楼上正确,过去时,was used to store