Reducing food sizes, buying smaller quantities, or improving the accuracy of freshness date could have even more effects than new technology.

减少食品分量、减少购买量或提高保鲜日期的准确性都可能比新技术产生更大的影响。

But in Minnesota a product needs to have a “quality assurance date” which can be a date of manufacture or packaging, a freshness date, an expiration date, or a shelf display date.

但在明尼苏达州， 产品需要有一个“质量保证日期”，它可以是生产日期或包装日期、保鲜日期、保质期或上架展示日期。