- and their home ranges are very much bigger.
但家族的疆土面积却大大增加 - And there's an added problem -
这里还有另一个问题 - their food is always on the move.
它们的食物总是在移动 - Like the elephants,
和大象一样 - the lions must travel great distances to find enough to live on.
狮子也必须长途跋涉 寻找生存所需的食物 - But lions can't go everywhere -
可是狮子并不是什么地方都能去的 - they won't attempt to cross this field of sand dunes
它们不会试着爬过一座沙丘