亚马逊对买家购买商品进行评价的制度再作调整

To submit reviews, customers must spend at least $5.00 using a valid debit or credit card.
 
Prime subscriptions and promotional discounts don't qualify towards the $5.00 minimum.
 
客户如果要留评价，那么必须是亚马逊的买家客户，必须有买过一个产品，这个产品的价格必须高于五美金，促销折扣不算。