translation.en: But those four futures at the same cost differ profoundly in their risks, around national security, fuel, water, finance, technology, climate and health.
translation.zh: 但是这四种未来的选择成本相近 风险却很不一样 不论是事关国家安全 燃料，水，金融，技术，气候和健康 风险都有显著差别