Backward-looking, the thoughts on leisure-education has long historical development. Understanding the history of leisure education can make us better inquire into the leisure education.
其实追溯历史，闲暇教育思想源远流长，梳理前人对闲暇教育的认识能使我们更好地理解闲暇教育。
In the overall view, study on historical figures, especially on early history of them, however, remains a relatively backward state.
但从总体上看，历史人物研究，尤其是人物早期史研究仍处于比较落后的状态。
There are both historical and practical reasons for the general backward situation of the economy and culture in the western areas compared with the eastern areas.
西部经济文化总体水平落后于东部地区，有历史原因，也有现实原因。
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