Bet your life?
用你的生命做赌注?
Hard-nosed economists might wonder whether spending money on asteroid research-eitherfor detection or deflection-is really worth it.
精明实务的经济学家也许会怀疑在小行星研究上投资是否物有所值,不管是小行星探测或是轨道偏移。
After all, for all their drama asteroid strikes are rare, and there are plenty of other threats toworry about.
毕竟,小行星撞击是个非常戏剧性且罕见的,而我们还有众多其他的威胁需要担忧。
But the relative lack of information makes the true risk difficult to calculate.
但是由于信息的相对匮乏,真正的风险难以评估。
An asteroid strike is an event with a low probability, but a high death toll when it doeshappen.
小行星撞击是低概率事件,但是一旦发生,就意味着大量的死亡。
That, as Dr Tonry points out, does funny things to risk calculations.
博士Tonry指出,这让计算风险变得有些奇异。
Our best guess is that you can expect maybe 100 people a year to die from asteroid strikes,he says.
他说,我们最好的估算是,每年大约会有100人死于小行星撞击,
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