你把各种不同类型的信件都混在一起了。

You're muddling up the different kinds of letters.

youdao

保险有各种不同类型的险种。

There are different kinds of insurance polices.

youdao

她把各种不同类型的书都混放在一个书架上。

She muddled all the different kinds of books together on one shelf.

youdao

If I am going to use this for my child Are there different types of children being represented I have several parents who come to me at the regular basis Asking me:"what software is out there that would be fun for my child And is also not biased towards, or just kids of one nationality represented?

如果我买来给我的孩子,这款软件有没有各种不同类型的孩子的形象？,有几位父母经常来拜访我,他们问我说：“现在市面上都有什么好软件,对孩子来说会很有趣,而且没有偏向，或者说不仅仅面向一个国籍的？

麻省理工公开课 - 媒体、教育、市场课程节选