Time and country
It refers to the method of compiling history books with the year as the longitude and the state as the latitude.
Idioms and allusions
[source]: Jin Biao by Sima Guang of Song Dynasty: "from the Warring States period up to the end of the Five Dynasties down, in 1362, it was completed in 294 volumes. It is a catalogue of 30 volumes
Chinese PinYin : nián jīng guó wěi
Time and country
Craftsmen abandon their talents. jiàng mén qì cái
The river churns over the sea. jiāng fān hǎi jiǎo
in the light of its general trend. yīn shì lì dǎo
good writings make people copy them. luò yáng zhǐ guì