planned obsolescence
計劃報廢(指為使產品迅速更新而控制一定的質量壽命)
　　
the practice of building and selling a product with a limited useful life such that the customers feel they must buy a new version when their first purchase becomes old or inferior
　　
Example:
A planned obsolescence strategy increased the profits of the U.S. automobile industry by increasing customers' desire to buy new car models with new features every few years.