Sally：But I have to tighten my belt because I need to buy a big house.
Lucy：________________（这次我请客）.
Sally：Oh，no，________________（我会不好意思的，那我们就各付各的账吧）.
Lucy：OK，let’s get going.
（Later soon，they come to a restaurant.）
Waiter：Welcome to our restaurant，Madams. There is a table for two over there.________________（这边请）.