“你可以想象类似的互动活动沿着历史的轨迹进行，比如追随波士顿的自由之路。”Dede 教授说。

"You can imagine similar kinds of interactive activities along historical lines, like following the Freedom Trail in Boston," Professor Dede said.

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寒冷可以改变历史的轨迹。

Cold has changed the path of history.

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历史的轨迹就是新闻的轨迹。

Track of history is also track of journalism.

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