求翻译：　　细野表示，“隔水墙是非常重要的一步。目前已开始研究在第二阶段的较早时期结束讨论，争取尽早施工。”是什么意思？

　　Fine wild said, "cutoff wall is a very important step. Now has begun to study at the end of the second phase of its earlier discussions, early construction. ”