Researchers in Spain found that the benefits of drinking wine did not diminish with quantity and those consuming as much as 11 units a day, could still maintain a healthy heart.
西班牙的研究人员发现，喝葡萄酒的益处不会因为量大而减少，那些每天喝11单位的人还能保持心脏健康。
2
First, a query determines if the inventory contains enough units of an item to meet the quantity needed for an order.
首先是一个查询，确定库存中是否包含足够的商品，以满足订单所需的数量。
3
Whenthe price is such that the quantity supplied of a good or service exceeds the quantity demanded, some sellersare unable to sell because fewer units are purchased than are offered.