The product was developed in response to customer demand.

　　這種產品是為了滿足顧客的需要而開發的。

　　Each product has a number for easy identification.

　　每件產品都有號碼以便于識別。

　　The product has filled a gap in the market.

　　這個產品填補了市場的空白。

　　We need new product to sell.

　　我們需要新產品供銷售。

　　Their latest product is aimed at the mass market.

　　他們的最新產品瞄準了大眾市場。