Firstlady’scampaignbringschangeWASHINGTON(AP)—Wal-Mart（...
問題詳情：Firstlady’scampaignbringschangeWASHINGTON(AP)—Wal-Mart（沃爾瑪）isputtingspeciallabels（標籤）onsome productstohelpshoppersquicklynoticehealthierones.Millionsofschoolchildrenarehelpingthemselvestov...