我有一次上了一堂课当我是研究生时应该关于怎样教导。
I took a class once on how to teach when I was a graduate student.
更重要的是，存钱不仅是一个好习惯也是人的一生中不可或缺一堂课。
What's more, saving money is not only a good habit but also an essential course in one's lifetime.
更重要的是，存钱不仅是一个好习惯也是人的一生中不可或缺一堂课。
What's more, saving money is not only a good habit but also an essential course in one's lifetime.
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