一些国家缺乏配套的经济基础设施。
雨“打乱了一些国家的新学年开学，并导致社会和经济基础设施、房屋和农业的损失”。
The rain "also disrupted the start of the school year in several countries and led to losses in the social and economic infrastructure, houses and farming".
完整的变化从一个化石燃料的氢经济基础设施将需要几十年，但与氢能7系，宝马氢能技术表明，使公路确实是可行的。
The complete change from a fossil fuel infrastructure to a hydrogen economy will require decades, but with the hydrogen 7, BMW shows that bringing hydrogen technology to the road is indeed feasible.
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