为了生存，狼一直保持与自然环境和谐共生的关系，不参与无谓的纷争与冲突。
For their survival, wolves always keep a harmonious coexistence with the environment without being involved in senseless disputes and conflicts.
与人类的冲突决不是与狼之战的唯一形式。
Clashes with humans are by no means the only Wolf wars under way.
超人可以克服所有一切困难，然而巴克又被自然的生存环境所征服转变为狼，在这里，超人思想和适者生存就产生了冲突。
Superman can win everything, but Buck is conquered by the rule of survival for the fittest and turns into a wolf at last.
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