While the money is good, it's not quite good enough to live on full time.

VOA: standard.2010.08.03

Any molecule can be an antigen; the food that you eat is full of antigens, microbes that try to live in your body are full of antigens.

任何分子都可以成为抗原,你吃的食物中富含抗原,试图栖息在你身体中的微生物充满抗原

耶鲁公开课 - 生物医学工程探索课程节选