在这之后，你应该总结你所提出的，并以我所说的“下一步”结束。
After this you should summarise what you've presented and close with what I call "next steps".
本课结束之时，我们要请同学总结本课内容。
At the end of the class, we'll invite someone to sum up the lesson.
我结束的时候，总结了未来四年的计划。
I closed with a summary of my proposals for the next four years.
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