要不

要不一起到车站去？

yào bù yī qǐ dào chē zhàn qù?

Do you want to go to the station with me?

要不我们找时间喝一顿。

yào bù wǒ men zhǎo shí jiān hē yī dùn.

Perhaps we could get a drink sometime.

要不寄“特快邮件”明天就可以到。

yào bù jì " tè kuài yóu jiàn " míng tiān jiù kě yǐ dào.

How about we use "express mail" so it arrives tomorrow.