Focus

Buying a white smile

作者：EMILY PATTERSON, 21ST

CAROLINE Nagy, a 22-year-old American, says that she always buys the whitening toothpaste: "I don't know if it works, but having yellow teeth makes you unattractive".Nagy isn't alone. Americans ...

点击阅读全文

对本期电子报订户、有效期内的VIP教师会员和本学期二十一世纪英文报尊享卡用户，我们开放所有内容：
如果您拥有以上权限，请点这里登录；
订阅电子报，请点这里；
激活VIP教师卡，请点这里；
激活21英语尊享卡，请点这里。