"We estimate in WHO that over thirty million lives can be saved in the next ten years by simple measures -- reducing the level of salt by fifteen to twenty percent, reducing the amount of tobacco, and increasing the number of people who are at risk of a heart attack and stroke to be on simple preventive treatment."

VOA: special.2011.05.11

Leda feels the beating of the swan's heart, and that heart is "strange" to her, that simple, powerful word.

丽达感受到天鹅的心跳，而那心跳对她来说很陌生，陌生，是个简单给力的词。

耶鲁公开课 - 现代诗歌课程节选