不用换车。
No need for changing to another car
不用接送。
No need for vehicles
不用翻译。
No need for translation
不用买。
Don’t have to buy
麻烦事儿。
troubles
找麻烦。
trouble-making n.
你帮我拿一点儿。
help me get a bit
给你们介绍一点儿。
introduce you to a little
别客气.=不客气。
You are welcome
我给你手机打过三次。
I have called u three times.
跟他的书一样。
Same as his book