I'm a doctor -- I tell people things to do, and I expect them to follow my guidance -- because I'm a doctor; I went to Harvard -- but the reality is, if I tell a patient, "You should have safer sex.
我是一个医生. 我告诉人们该做的事, 而我也期待他们根据我的指引去做 -- 因为我是一个医生, 我在哈佛读过书 -- 但实际上, 如果我跟一个病人说, "你应该有更安全的性生活.