
和之前介紹過的“標簽表明新鮮度”差cha不bu多duo,這zhe種zhong創chuang新xin的de牛niu奶nai盒he可ke以yi通tong過guo變bian成cheng不bu一yi樣yang的de顏yan色se來lai預yu測ce你ni的de牛niu奶nai有you多duo新xin鮮xian。隨sui著zhe時shi間jian的de流liu逝shi,白bai色se的de盒he子zi會hui慢man慢man變bian成cheng暗an橙cheng色se,當dang整zheng個ge牛niu奶nai盒he變bian成cheng橙cheng色se的de時shi候hou,表biao明ming牛niu奶nai是shi過guo期qi了le的de。


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