Another war started.

又一场战争开始了。

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A few years ago, we started this kind of "favor war" where one of us would do something kind for the other, such as cleaning up the driveway or building a shed, and next time the other would try to top it with another favor.

几年前，我们开始了这种“人情战”，我们中的一个人会为另一个人做一些好事，比如清理车道或搭建棚子，下次另一个人就会试图用另一个人情来顶上。

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Before he entered the White House, Abraham Lincoln's experience in elective office consisted of eight years in his state legislature in Springfield, Illinois, and one term in Congress, during which he showed courage and wisdom to oppose the invasion of another country in a war that was popular when it started but later condemned by history.

CNN: Transcript: Al Gore's speech at Invesco Field