1. The product is of high quality.

这款产品质量上乘。

2. This is our most recently developed product.

这是我们最新开发的产品。

3. They are superior in quality and reasonable in price.

它们物美价廉。

4. The material can be recycled after use.

这个材料使用以后可以回收。

5. We know it’s going to be a top-seller.

我们知道它一定会畅销。