求翻译：并以定性和定量相结合的研究方法来测定进出口贸易货币收入顺差背后所隐藏的生态资源贸易流向，从而探讨对外贸易的绿色发展道路。是什么意思？

And a combination of qualitative and quantitative research methods to determine the monetary income of import and export trade surplus hidden behind the trade flows of ecological resources, so as to explore the foreign trade of the green path of development.

And to combine qualitative and quantitative research methods to determine the currency import export surplus income behind the hidden ecological resources Trade to foreign trade to explore the green path of development.

And the research technique which unifies by qualitative and the quota determines the ecology resources trade which behind the import-export trade cash income favorable balance hides to flow to, thus discusses the foreign trade the green development path.

And to combine qualitative and quantitative research methods to test for import and export trade of currency revenue surplus of hiding behind ecological resources and trade flows, so as to explore the Green road of development of foreign trade.

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