生存的斗争并不发生在这种争斗中，而是为了争夺有限的摄食区域，以及为了争夺没有食肉动物的领地。
The struggle for existence occurs not in such fights, but in the competition for limited feeding areas and for the occupancy of areas free from meat-eating animals.
生存的斗争并不发生在这种争斗中，而是为了争夺有限的摄食区域，以及为了争夺没有食肉动物的领地。
The struggle for existence occurs not in such fights, but in the competition for limited feeding areas and for the occupancy of areas free from meat-eating animals.
应用推荐