第1个回答 2013-06-27
people feel that health is important when they ill.
嘻嘻~
第2个回答 2013-06-27
Only when people fall ill can they realize how important health is.
第3个回答 2013-06-27
people will realize the importance of health only when they get sick
第4个回答 2013-06-27
Poeple only realize the importance of health, when they are sick.