translation.en: I got up at the American Association of Cancer Research, one of the big cancer research meetings, with 20,000 people there, and I said, "We've made a mistake.
translation.zh: 我参加了美国癌症研究协会的 一个最大的癌症研究会议，20，000人参加。 当时我说，我们犯了个错误，