Windows of Knowledge

Thank goodness for toilets

作者：Gabriella Van Leuven

你对厕所了解多少呢？

DID you know that the average (普通的) person spends three whole years of his or her life on the toilet? Toilets are very important, but we give them little thought. Well, November 19 is World Toilet Day, a day to learn about the toilet.

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