Li said cafeteria managers are required to maintain detailed records, including 48-hour food samples and daily uploads to food safety platforms.

李家军说，食堂管理人员需要保存详细的记录，包括 48 小时的食品样本和每天上传到食品安全平台的信息。

Li said cafeteria managers are required to maintain detailed records, including 48-hour food samples and daily uploads to food safety platforms. This approach ensures the traceability of all ingredients.

李家军说，食堂管理人员需要保存详细的记录，包括48小时的食品样本和每天上传到食品安全平台的信息。这种方法可确保所有成分的可追溯性。