The robots can also help to hand out medicine and show the way to people.
机器人还可以帮助分发药物，给人们指路。
2
Even in medicine, a randomised trial can only show whether the average patient benefits; not whether any individual patient will benefit.
即使在医学上，一个随机试验仅能证明普通对患者奏效，而不能证明个别患者会得益。
3
On October 13th a study published in Science Translational Medicine revealed that early-stage trials show a new tuberculosis vaccine may work against drug-resistant strains of that killer disease.