The challenge with hepatitis C was not just to find the virus, but to understand how it evades the immune system.
有两样东西,人们越是经常持久地对之凝神思索,它们就越是使内心充满常新而日增的惊奇和敬畏:我头上的星空和我心中的道德律。
每座建筑都是原型。没有两座是相同的。
My heart is bound to beat right out my untrimmed chest.