渊源

shì wù de fā zhǎn bì yǒu tā de yuān yuán

事物的发展必有它的渊源。

There must be a starting point for a thing's development.

tàn suǒ sī xiǎng yuān yuán

探索思想渊源

enquire into the ideological origins

yǔ zhòu de yuān yuán

宇宙的渊源

origin of the universe

jiā xué yuān yuán

家学渊源

have the deep influence of a scholarly family