这项习作不但能帮助同学整合这门课程所涵盖的主题，它也能让你创作出可发表的文章。
Not only will this exercise help bring together all the topics touched upon in the course, it may also allow you to produce a publishable paper.
Speaker与Talk之间的关系是ONE_TO_MANY(例如，一个发言人可发表多次讲话)。
The relationship between speaker and talk is ONE_TO_MANY (i.e., one speaker can give any number of talks). This is done using field, as shown below.
虽然这些预估并不是我发布这篇文章的目的，但你仍可发表你的意见，我知道你可能会有一些意见。
While these estimates are not the purpose of this post, they're here, so feel free to comment. I know you have an opinion.
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