No country acting alone can defend itself against a microscopic agent that invades by stealth, evades detection, kills civilians, and disrupts the economy.
任何一个单独行动的国家都不能抵抗用偷袭方法侵入的微生物，这种微生物很难发现，造成平民死亡并破坏经济。
No country acting alone can defend itself against a microscopic agent that invades by stealth, evades detection, kills civilians, and disrupts the economy.
任何一个单独行动的国家都不能抵抗用偷袭方法侵入的微生物，这种微生物很难发现，造成平民死亡并破坏经济。
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