A：Should we tip? This service is pretty good.我们是不是应该给点小费呀。这里的服务挺好的。
B：Yeah，we probably should.How much is normal?是呀，我想我们应该给。通常应该给多少。
A：How about 10 percent? That's about 6 dollars.10%怎么样?大约是6块钱。
B：That sounds about right.听起来蛮合理的。