It concludes with a very useful summary of key points, with cross-references to where each keypoint is dealt with in the book.
它在结论中对要点进行了非常有用地总结，并标出了书中讲述每个要点的参照章节。
《柯林斯英汉双解大词典》
2
Speed is key at this point.
在这个时候速度是关键。
《牛津词典》
3
Young and old converge on one keypoint: Overwhelming majorities of both groups said they believe it is harder for young people today to get started in life than it was for earlier generations.