一道英语作文题:Michael在商店里买裤子.他非常喜欢一条蓝裤子,他和售货员讲价并且买下了裤子.试设计一段对话.字数在40--50个词之间.(M=Michael,S=Salesgirl)能便宜点吗?英语怎么说?

S：May I help you?
M: Yeah,I'm looking for a pair of trousers.
S: How about these white trousers?
M: Em...No, I don't like it...Oh,can i have look at those blue pants in detail ?
S: Of course!This pair costs only 20 dollar,and it's the best-seller.
M: Well,I love it,but I'm afraid I can't afford it.Do you have any discount?
S: It doesn't matter.We can offer a 20 percent off.
M: Good! I'll take it!

S：can I hlep you？M：yes.I like this blue trousers.How many is it s:40Pound. M:OK.Here you are.S:Thank you.Here's your change.byebye!M:byebye!

S：Can I help you
M:Yes,please.I want a pants.
S:What color do you want?
M:Blue.
S:Here you are.
M:How much is it
S:Nine dollars.
M:Can it be cheaper?
S:OK.
M:How much is it
S:Eight dollars.
M:I'll take it!Thang you.
S:You are welcome.
能便宜点吗 英语这么说 Can it be cheaper?
也可以是
Can you give me a discount?你能给个折扣吗?你能算便宜一点吗?