GDA
noun [ U ] uk/ˌdʒiː.diːˈeɪ/ us/ˌdʒiː.diːˈeɪ/
每日摄取量指引（食品包装上告知消费者每日营养摄入量信息的标识，Guideline Daily Amount的缩写）
abbreviation for Guideline Daily Amount: used on food packaging to tell you how much of something you should eat each day in order to stay healthy