translation.en: But if one is unfortunate to get a disease, you'll go into your doctor's office, he or she will take a drop of blood, and we will start to know how to treat your disease.
translation.zh: 但如果你不幸患病了， 你就会去看医生，医生就会为你抽点血， 然后就知道如何治疗你的疾病。