Good rain knows the season, and good news spreads frequently.

Good rain knows the solar terms of rain, and the news of victory keeps coming.

The first half of the sentence is "Du Gongbu Collection", which was written in the spring of the second year of Shang Dynasty (AD 76 1 year) and was written by Du Fu in Chengdu when he wandered southwest in his later years. The second half of the sentence comes from Xu Chi's Light of Geology: "There are many good news on the North China Plain. Later, Dagang Oilfield, Shengli Oilfield and other oilfields were successively built. "