underpinning

US /ˈʌn.dɚˌpɪn.ɪŋ/
UK /ˈʌn.dɚˌpɪn.ɪŋ/
"underpinning" picture
1.

基础, 支柱, 根据

a set of ideas, figures, or structures that provides a base or foundation for something

:
The theory's main underpinning is based on extensive research.
该理论的主要基础是基于广泛的研究。
Strong ethical principles form the underpinning of their business.
强大的道德原则构成了他们业务的基础