You'd have a better chance of catching the train if you took a bus to the station instead of walking.
如果你不是步行而是乘公共汽车的话,那你就比较有可能赶上火车。
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。