怎样才是正确的刷牙和牙线使用方法，你认为自己全都掌握了吗？了解一下增进口腔健康的基础知识，看看你还能做些什么？
Think you know everything about proper brushing and flossing techniques? Understand the basics and what you can do to promote oral health.
现在，你并不是有坏习惯，只是你开始思考，对于自己的生活除了遵循这个模式还能做些其他什么。
'it is not that you have a bad habit now. It's just that you are starting to see what else you could do with your life if you did not follow this pattern.
现在，你并不是有坏习惯，只是你开始思考，对于自己的生活除了遵循这个模式还能做些其他什么。
'it is not that you have a bad habit now. It's just that you are starting to see what else you could do with your life if you did not follow this pattern.
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