investeen.接受投资者investv.投资；投入invested interests group既得利益集团investigative hypothesis侦查假说investigative entrapment陷阱侦查investing principal body投入主体Invest in real estate.投资于房地产Investigative Techniques研究技术investigating magistrate[法] 预审法官； 调查官invest decision-making投资决策investigative methods.调查方法investigating type course探究式