concept of freedom的用法和樣例：
例句
- Among the plentiful thoughts of ecofeminism, the Nature Concept Theory is a shining point.
其中生態女性主義自然觀是生態女性主義豐富思想中的一個亮點。 - Is the materialism and the diagnostic method unification, as well as materialism natural view and conception of history unification.
是唯物主義和辯證法的統一，以及唯物主義自然觀和歷史觀的統一。
