The second is theory and practise .
二是理论探讨与实证分析相结合；
I want to learn from your people the advanced theory and practise in this respect.
我想向你们学习这方面的先进理论和实践。
Don't prattle about your theory. You must practise it and prove it.
不要空谈你的理论，你必须去实践它并检验它。
The theory comes from practice, serve and practise finally.
理论源于实践，最终服务于实践。
The theory comes from practice, serve and practise finally.
理论源于实践，最终服务于实践。
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