求翻译：谈判者只有通过对谈判议题的辩论，才能拓展谈判焦点的外延和内涵，使问题更加明晰，便于确定双方差距，进而找出解决问题的方法是什么意思？

Debate on the subject of negotiations, negotiations only through denotation and connotation in order to expand the focus of the negotiations, to make the problem more clear, easy to determine the gap between the two sides, and then find the solution to the problem

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The treater only then through to the negotiations subject debate, can develop the negotiations focal point the extension and the connotation, causes the question to be more defined, is advantageous for the definite bilateral disparity, then discovers solves the question method

Negotiators only through debate on a subject of negotiations, to expanding the focus of negotiations of denotation and connotation, makes the problem more clear, easy to identify them and find ways to solve problems

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