Explain the mystery but not the white
It is a Chinese idiom, and its pinyin is zh ù Xu á NSH à NGB á I, which means written records in black and white. It's from "Heavenly Creations · Danqing".
The origin of Idioms
Ming and Song Dynasty Yingxing's "Tiangong Kaiwu · Danqing" said: "it's not easy to be polite for thousands of years, but it's also easy to explain the mystery and the white. Which one of its merits is better than Beijing!"
Idiom usage
As a predicate or attribute; often used in writing.
Explain the mystery but not the white
Sell from the south to the North - nán fàn běi gǔ
be of noble character and high prestige - dé gāo wàng zhòng
Carry on the past and open up the present - jì gǔ kāi jīn
carved balustrades and marble steps - diāo lán yù qì