bought-in components

例句：

1. 1. The new car has a lot of bought-in components, which makes it more expensive.
   这款新车有很多购买的组件，所以价格更高。
2. 2. The company uses bought-in components to improve the quality of its products.
   该公司使用购买的组件来提高其产品的质量。
3. 3. The engineer replaced some bought-in components with custom-made ones for better performance.
   工程师用定制的组件替换了一些购买的组件，以获得更好的性能。