A：I'd like to buy a bottle of Centrum, a tooth brushes.我要買一瓶善存、一個牙刷。

B：Centrum? We have bottles of thirty and one hundred tablets. Which kind do you want?善存?我們有30粒裝和100粒裝的。你要哪一種?

A：Give me one bottle of thirty tablets.我要30粒裝的。

B：And what kind of toothbrushes would you like?你要哪種牙刷?

A：Can I have a look at them?我可以看看嗎?

B：Sure. This brand is supposed to be very good, but they're expensive. Those are new products. They come in several colors and sizes. There is also hard, soft, and medium.當然可以。這個牌子的牙刷不錯，不過也很貴。這些是新產品，有各種顏色與大小。還有分硬毛、軟毛，以及軟硬適中三種。

A：Are they cheaper?有比較便宜嗎?

B：This one is 5% off. That one has no reduction, but you can get a free tube of toothpaste with six toothbrushes.這種打九五折。那種沒打折，不過買6支免費送一支牙膏。