Source: Mao Dun's Midnight XI: "Just now, Zhuang Fei complained that I didn't have the courage to short on the 4 th of this month. Now I am stuck and won't let go."
Example: Zhou Fu's Morning in Shanghai Part I 12: "Zhu Yannian wrote more than 50,000 short orders for penicillin before, and it took three months to pick up the goods, and now they are all due."