这是一个永恒的争论：这个责任应当是谁的，学习者、雇主的还是国家的？
That's the eternal debate: should it be the learner's responsibility, that of his employer, or of the state?
这些主题是永恒的，可以用于任何时代或任何国家。
The themes are timeless and could be used in any era or any country.
社会与国家乐于想象自身的永恒。
Societies and nations tend to think of themselves as eternal.
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