go and

例句：

1. 1. Go and get the book from the library.
   去图书馆拿那本书。
2. 2.I'll go and see if you need any help.
   我去看一下你是否需要帮助。
3. 3.She went and bought a new dress for her birthday.
   她去买了一条新裙子庆祝生日。