Many things we do on a regular basis can contribute to stained teeth, such as drinking coffee, tea, cola and red wine or smoking.

我们平时经常做的一些很普通的事情都会给牙齿留下斑点，比如说喝咖啡，茶和可乐，以及红酒，或是抽烟。

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Since porcelain is ceramic, and therefore glass-like, its surface is smooth and impervious and unlike older bonding materials, it will not be stained coffee, tea, red wine or cigarette smoking.

因为这种瓷料是陶瓷质地的，看起来像玻璃，与老式的物料不一样，其表面是光滑而且具有非渗透性，咖啡，茶叶红酒或是抽烟等都不会在其表面形成斑点。

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Soak in a sake bath or one of several other options, including green tea, red wine or coffee, at the Hakone Kowakien Yunessun Hot Springs Amusement Park and Spa Resort in south-central Japan.

可以在日本中南部地区的箱根小涌园温泉主题乐园和spa度假胜地里泡泡清酒浴，或是在众多其他选择中选择一种，可以是绿茶、红酒或咖啡浴。

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