Buying something and pocketing the receipt is a universal, forgettable ritual. But across China, that small slip of paper is being weaponized for the economy. Dozens of cities are transforming routine purchases into a nationwide policy experiment, using receipts as a direct lever to stimulate consumer spending and modernize how taxes are tracked. / There's no such thing as "hangry" (17:32). On the show: Niu Honglin, Steve & Yushan