As question study is the key of the educational research, then the quality and success of scientific research have to depend on whether a true question can be found or not.

而问题研究又是教育科学研究的关键，能否选择一个真问题进行研究将直接决定教育科学研究的质量与成败。

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And what my colleagues and I have found is that they all grow out of one key truth: The world does not always have to be as it is today.

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