voluntary code短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 🌏自律守则；自愿规则；执行标准 Pharmaceutical representatives also note that the industry already has a voluntary code of conduct and that the Food and Drug Administration regulates its marketing practices. 业界代表还指出，其行业内部已经形成自发的调节机制，市场运营受食品药品管理局管辖。 yeeyan