Seven percent would be possible for orders for, say, 500 or more.
订购500台或500台以上都不得有可能给予7%的折扣。
It has been estimated that if the bridge were packed with cars, it would still only be carrying a third of its total capacity.
据估计,若桥上摆满了汽车,也只不过是桥的总承载力的1/3。