When presented with an advance like the ability to cure diabetes, it is hard for people to articulate reasons why their unease with the technology should stand in the way of progress.

• 如果它能向人们展示治疗糖尿病的优势，那么人们很难清楚地说明为什么他们对于生物技术的不安应该挡住它发展的道路的原由。