ex:All the children should have already received their BCG vaccination, so you don't have to worry about them contracting for tuberculosis. (所有的小孩應該都接種過卡介苗,所以你不用擔心他們感染肺結核。)
ex:Condoms are not only used for contraception but also for protection against infectious diseases. (保險套不只是用來避孕,也能預防傳染病。)
ex:Overeating often causes indigestion. (暴飲暴食易造成消化不良。)
ex:If you're constipated, try eating more fiber. (如果你便秘,試著多攝取纖維。)