Manufacturers often introduce new products to keep their business booming.

厂商为了让生意兴隆，常推出新产品。

There is only one reason for big companies to introduce new products frequently.

大公司频繁推出新产品的原因只有一个。

They introduce new products into the market to appeal to more customers to buy their new products.

他们将新产品推向市场以吸引更多顾客购买他们的新产品。

For example, Apple always introduces new products every several months, which appeals to people to buy new iPhones.

例如， Apple 每隔几个月就会推出新产品，以吸引人们购买新 iPhone。