Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。
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。