Paragraph Five To achieve a favorable outcome from the negotiations, an exporter should draw up a plan of action beforehand, which addresses a few key issues. Experienced negotiators consider that as much as 80% of their overall time devoted to negotiations should go to such preparations. Preparations are vital to the s______of negotiations.
【正确答案】：success
【题目解析】：该段描述了要想取得成功的谈判应该做的准备工作，可以概括为“准备工作是成功谈判的关键”，空白处缺少“成功”一词，success符合题意。
