问题描述：
what do you think of the car i bought yesterday?Your hat is very beautiful.用语用学知识解释
如何体现CP,PP的并解释一下会话含义.求语言学高手指教,要英文版的,
问题解答：
我来补答
what do you think of the car i bought yesterday?
1,showing off; the addressee is a close friend or peer of the addresser.
2,asking for information; the addressee is an expert on cars,the addresser really needs his/her opinion.
this reflects cp in that the speaker and hearer agree to coopearte in a conversation initiated by the question above.
Your hat is very beautiful.
this sentence reflects pp in that it makes the receiver feels good,which is elaborated by Lakoff.
