主题公园也在经历着其他的变化，因为它们试图呈现更严肃的社会和文化问题，远离幻想。

Theme parks are undergoing other changes, too, as they try to present more serious social and cultural issues, and move away from fantasy.

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一个反复出现的主题是，随着环境的变化，人们需要不同类型的领导者；在一种环境中应对裕如的领导者可能在另一种环境中艰难挣扎，反之亦然。

A recurring theme is that as circumstances change, different sorts of leaders are required; a leader who thrives in one environment may struggle in another, and vice versa.

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通常角色会随着故事的发展而变化，所以你在开始时读到的主题在结尾时可能不是真的！出于这个原因，你需要先通读整篇课文。

Usually characters change as the story goes on, so the theme you get at the beginning might not be true at the end! For this reason, you need to read through the whole text first.

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So the reasons for this really enormous shift in plans, and the enormous shift in subject matter, are worth exploring.

弥尔顿的计划变化为何如此之大，他对主题的选择为何有这么大的改变，是值得探究的。

耶鲁公开课 - 弥尔顿课程节选

Not really. it was kind of noodling around with it, varying it a little bit.

不完全是,它在主题的旋律上,做了一点变化

耶鲁公开课 - 聆听音乐课程节选