It's not difficult to understand this world when you mastered the internal relations of things.
掌握了事物的内部联系你就不难理解这个世界。
原声例句
TED演讲（视频版）双语精选
How they pull their internal relations together with their external reach-out to customers is very consistent and incredibly authentic.
他们怎样由内到外推动内部合作以达到改善对客户的外部服务，非常一致且非常真实。
英语百科
Doctrine of internal relations
The doctrine of internal relations is the philosophical doctrine that all relations are internal to their bearers, in the sense that they are essential to them and the bearers would not be what they are without them. It was a term used in British philosophy around in the early 1900s.