And he was right; they got immunity and were protected from smallpox when it affected their community.

他是对的,当天花在周围流行时,他们具备了对天花的免疫力

耶鲁公开课 - 生物医学工程探索课程节选

Do you think the world financial crisis from last year has affected the movie industry as well?

你觉得去年开始的世界金融危机也影响到电影业了吗？

经济危机和电影市场 - SpeakingMax英语口语达人