派生

例句：

1. 1. The company has been developing new products for the past five years.
   这家公司在过去五年里一直在开发新产品。
2. 2. This technology was developed by a team of experts.
   这项技术是由一个专家团队开发的。
3. 3. The concept of sustainable development has been derived from the principles of environmental conservation.
   可持续发展的概念源于环境保护的原则。