In our example, birthday and deathday both use the Date class.

在我们的示例中，birthday和deathday都使用date类。

youdao

This isn't a major issue unless you are using dates, as ruby's date class is very slow to instantiate.

这并不是一个主要的问题，除非你使用的类型是日期型，因为ruby的日期型的数据实例化起来非常慢。

youdao

If you do not have a mapping model, then the Date class will be generated inside a folder called Package1.

如果没有映射模型，那么date类将会生成在一个名为Package1的文件夹内。

youdao

Those are all questions that date back to this class that I took back in 8th grade.

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He asked a pretty girl in his college class out on a date.

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