A derivative is a security which "derives" its value from another underlying financial instrument, index, or other investment.
衍生工具是一种金融工具，它是从其他原生金融工具如指数衍生出来的。
2
Technological innovation will remain the company's underlying strength through its continuous investment in research and development.
通过在研发上的不断投入，以技术创新来保持公司的发展潜力。
3
Right investment decision requires reliable predictions of return and risk, and reliable predictions can only be obtained if the underlying statistical model tests on realistic assumptions.