I always have at least one flash drive on me at all times (two in fact), but in my laptop bag I make sure I have a few there too.

平时我随身至少会带1个优盘(其实会带2个)，而在电脑包里面我肯定会确保我有一些移动存储空间。

youdao

I have two sandwiches in my bag.

我的袋子里有两个三明治。

youdao

I have two books. One is on the desk and the other is in the bag.

我有两本书，一本在桌子上，一本在书包里。

youdao