柏拉图模式维持了将近两千年，期间所有的书籍都是以他的这种观点作为出发点。

The Platonic pattern remained the same for almost 2, 000 years. All the books of that era were written from this point of view.

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尽管取得了成功，美国仍然对维持研究型大学的模式犹豫不决。

For all its success, the United States remains deeply hesitant about sustaining the research-university model.

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但是在中期这个模式可能不可维持。

However in the medium term it may be unsustainable.

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