One unit of a commodity such as one box,one bag,or one can. Usually,an item is the smallest unit of a commodity to be sold.是什么意思_One unit of a commodity such as one box,one bag,or one can. Usually,an item is the smallest unit of a commodity to be sold.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句