The old and the new
The old and the new, pronounced Q ù g ù Ji ù x ī n, is an idiom, which means to remove the old and leave the new.
explain
Just: return, stay. Remove the old and leave the new.
source
"History · law book": "March also, law in Gu Xi." Zhang Shoujie and justice: "the white tiger pass says:" those who sell, so it is. Washing is fresh. " It is clear to say that everything has gone from the old to the new. "
Examples
The son sips a cup, carries the friend to pull the couple, ~, drives the dust to wind. Han Yu, Tang Dynasty
The old and the new
The tree wants to rest, but the wind doesn't stop - shù yù xī ér fēng bù tíng