5. Our price can't be matched.
我們的價格無人可比。
還能這樣說：
There is no one who can match the price with us.
Nothing can be comparable with our price.
應用解析：
find/meet one's match in sb. 遇到不比自己差的對手。
例如：
He thought he could beat anyone at tennis, but he's met his match in her.
他以為他打網球所向無敵，但遇到她卻是旗鼓相當。

6. The original price is 89 RMB. Now it is much cheaper.
原價是89元，現在已經很便宜了。
還能這樣說：
The present price is much cheaper than the original one 89 RMB.
Compared with the cost price of 89 RMB, the current price is much cheaper.
應用解析：
original house 娘家；
original idea 新穎的意見；
original sin 原罪

7. We have to ask for another price reduction.
再給我們優惠點兒吧。
還能這樣說：
Could you please lower the price another?
May I ask you to cut the price a little?
應用解析：
like another 普通平常的；
one another 彼此，相互；
taking one with another 權衡利弊，總體來說

8. How about a discount of 20%?
打個8折如何？
還能這樣說：
Could you make 20% discount?
Can you give a 20% off?
應用解析：
get wind of 得到風聲，獲得線索；
have none of 允許；
fall short of 不及