七、牙齿保健，不能不重视

　　在国内，什么时候牙痛了才去看牙医，平时根本不在乎，很多人都有用牙咬开啤酒瓶盖的“英雄壮举”。出了国发现西人的一口白牙，似排珠，赛玉贝，咱们真是相形见拙，“难于启齿”，所以花心血让下一代一定爱护好自己的“门面”。

In the home, you won't see the dentist untill there is something wrong with them. You usually do not care about them. Also many people use their teeth to bite open the beer bottle. After going abroad, you will discover that westerners white teeth, resembling a row of bead.