give sb a break:給某人減價
throw in:to include sth with what you are selling or offering, without increasing the price (不提高售價或報價的)奉送,額外贈送,白搭
You can have the piano for $200, and I'll throw in the stool as well.
你花 200 元就可以買走這架鋼琴,另外奉送這張琴凳.
make a payment:付款
within a ... day period:在...天期限之內
grace period:寬限期
put down on paper:寫在紙上
go ahead:to happen; to be done 發生;進行
The building of the new bridge will go ahead as planned.
新橋的修建將按計劃進行.