内空府库 (內空府庫) nèi kōng fǔ kù

nèi kōng fǔ kù phrase to empty the treasury
Domain: Literary Chinese 文言文
Notes: Quote: from Chapter 1 of 鹽鐵論 “Discourses on Salt and Iron,” compiled by 桓寬 Huan Guan, 1st century (Amies 2021 tr.; see also Kuan Huan and Gale tr. 1931)