understanding backwardness
理解落后
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Among them are: trying to find out the causes for their backwardness, showing our understanding of them, and deal with them in different ways so that their particular problems are solved.
在具体工作中，我们不断探索一些具有成效的方法，例如探讨原因，给予理解，分层次教学等等。
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