分类：教育/科学-学习帮助
问题：Didyouknowthatbodylanguageaccoun? 
Did you know that body  accounts___over 90% of a conversation?（填介词）谢谢各位！
回答：Did you know that body language accounts__for__over 90% of a conversation?


account for：(在数量上)占(比)，说明原因, 解释 说出(钱等的)用途, 交待(资产)下落 捕获; 打死, 击落