“学而优则仕”,指的是学问做得好,就可以当官。按照这个原则,封建社会实行科举制,通过考试的方式选拔各级官吏,所谓“朝为种田郎,暮上天子堂”,指的就是那些“学 “Learning is excellent,” refers to the learning is done well, you can become an official. According to this principle, the feudal society practiced the system of examinations of the imperial examination and selected the officials at all levels through examinations. The so-called “toward the farming Lang, Twilight Hall of Heaven,” refers to those "learning