即便少得可怜的探索可能存在的危险的相关研究也缺乏明确的研究方向，无法令人相信其所开发出的信息能够帮助决策者确保纳米技术被长期安全地开发。
Even the small handful of relevant studies exploring possible risks lacked a guiding focus, giving no indication that the information developed would help decision-makers ensure that nanotechnology is developed safely over the long term.