救荒不如备荒,备荒莫如急农时。
农时:指春耕、夏耘、秋收三个时令。与其等灾荒来了再想办法补救,不如早防备灾荒,而防备灾荒最好就是抓住农时。
"Ein Buch ist wie ein Garten, den man in der Tasche trägt."
The essence of mathematics lies in its freedom.
The labor market is constantly evolving, and our models should reflect that.