"We know only about thirty-three percent of women have access to a program that actually has services in place to prevent mother-to-child transmission.

VOA: special.2009.07.29

You click there, and you have to pay attention to how many services you have of something, because if it says that a serving is three-quarters of a cup and you ate a cup and a half, then the program has to recognize that or it won't be able to make an adequate judgment of what you're eating.

点击那里,大家还要注意,每种食物摄入了多少份,如果一份指四分之三杯,而你吃了一杯半,那么系统应该判断出是两份,否则它无法对你所吃的东西做出充分判断

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

These include the funerals of three American presidents and national prayer services.

VOA: special.2009.05.22