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普通人感染禽流感的几率要比遭雷劈低多了,如果我们并不担心自己会遭雷击,也就不必过于担心禽流感这回事
The chances of the common people being infected with the bird flu are much lower than those of the United States. If we are not worried that we will be struck by lightning, we should not have to worry too much about the bird flu.