看这些蓝鞋子，他们看着真漂亮。I don't think so. I need something formal. They are for work.我不这样认为。我需要一些正式一点的鞋子，用来上班。What about the black ones?黑色那个怎么样？Well, I like the color, but they are a little expensive.唔，我喜欢这个颜色，但他们有一点点贵。Look! Here are some cheaper ones.看！这边有便宜一点的。Yes, they are very nice. Oh, they are a size 10.是的，他们看上去很棒。噢，这是10码的。Do they have them in a smaller size?他们有小一点的吗？Yes, here is a size 9.有的，这是9码的。Perfect.太棒了。