Once students receive the revised document, they should memorize the speech before the next class.

一旦孩子们收到修正稿后，他们必须在下次上课前记住自己的演讲词。

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Clinton spoke to Yale graduates once before, in 1991 when she gave the traditional Class day speech, which is the major address to graduating seniors held the day before commencement.

希拉里·克林顿曾于1991年对耶鲁大学毕业生发表过一次传统的毕业纪念日演讲。毕业纪念日演讲是毕业典礼前一天进行的一项重要演讲。

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