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

Every year we pick a theme, this year's theme was movie stars and Star Festival.

每年我们都选择一个主题，今年的主题是电影明星和七夕。

麻省理工公开课 - 媒体、教育、市场课程节选