标题：Takeaways from the vice presidential debate between Vance and Walz

正文：The vice presidential debate between Ohio Sen. JD Vance and Minnesota Gov. Tim Walz was something

that’s become increasingly rare in modern American politics: normal. In an event that is unlikely to change the

trajectory of the presidential race, the two running mates were cordial with each other, training their attacks

instead on the tops of the opposing tickets and focusing largely on policy differences.

知识点：trajectory n.

the curved path of sth that has been fired, hit or thrown into the air（射体在空中的）轨道，弹道，轨迹

a missile's trajectory导弹的弹道

My career seemed to be on a downward trajectory.我的事业似乎在走下坡路。

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