The weaknesses of efficient market theory prevent it from interpreting the phenomena of China securities market, which proved by theoretical research and practice.
理论研究和实践都证明，有效市场理论存在不足和缺陷，不能解释我国证券市场的许多现象。
Research on economic news resource based on practice is the rational study of economic news propagation basis, and is of theoretical importance and practice value to certain extents.
在实践的基础上研究经济新闻源是对经济新闻传播的基础所作的理性思考，具有一定的理论意义和实践价值。
A scientist has to do a lot of research and strives to put the theoretical things into practice and brings real benefit to human society.
一个科学家已经做了大量的研究，力求把理论变成实践给人类社会带来真正的好处。
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