Eighty years ago, the flu virus took months to spread around the world. Today, airplane travel means a virus can spread to far around the world in just days.
八十年前，流感病毒传播到全世界要数月。今天，飞机旅行意味着一种病毒在数天之内就可以传播到世界各地。
Who traveled around the world in eighty days?
谁在八十天内环游了地球？
Around the world in eighty days!
八十天就要环游世界！
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