Who's the baby killer? This is my good friendI told you about.

VOA: standard.other

I'd like to ask you what the biggest killer was in 1900. What-- which of these things took the most lives in the United States?

你们认为1900年时的头号杀手是什么,哪一项在美国的致死人数最多

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

I'd like to ask you what the biggest killer was in 1900. What-- which of these things took the most lives in the United States?

你们认为1900年时的头号杀手是什么,哪一项在美国的致死人数最多

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选