最后，文章指出了研究中的不足之处和下一步的研究方向。
Finally, the article points out the shortcomings of the study and future research directions.
最后，文章指出了研究中的不足之处和下一步的研究方向。
Finally, the paper points out the shortcomings of the study and future research directions.
文章最后得出结论并指出了研究的不足之处。
Some conclusions are drawn out and few weaknesses of the paper are pointed out last.
文章最后得出结论并指出了研究的不足之处。
Some conclusions are drawn out and few weaknesses of the paper are pointed out last.
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