原因是你仍然生活在这样一个在社会和环境方面都会引起这些疾病的世界里。

The larger cause is that you're living in a world that promotes such diseases, both socially and environmentally.

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这礼拜的事故原因是固定你的雨刷架和橡胶刀锋的那个小小的塑料片。

This week, it's the little plastic clip that holds the rubber blade on your windshield wipers.

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另外一个使你坚定不移地刷牙和漱口的原因是糟糕的口腔卫生和口腔疾病和更严重的疾病有关联，包括糖尿病。

Another reason to bone up on your brushing and gargling is that poor oral hygiene and gum disease have been linked to more serious illnesses, including diabetes.

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