我学会了背主人，拉马车。

I learned to carry my master on my back and pull a coach.

youdao

在收合后它有背和拉的两种使用方式。

Design solve the problem of user. The design has some different use-pattern.

youdao

在收合后它有背和拉的两种使用方式。

Design solve the problem of user. The design has some different use-pattern.

youdao