IATA Director General Giovanni Bisignani says the impact of higher fuel prices is lessened by the global economic recovery, but the airline industry still faces significant hurdles.
国际航空运输协会总干事乔瓦尼·比西尼亚尼说，尽管燃料油价格上升的影响随着全球经济复苏而有所减少，可是航空工业仍然面临着巨大的困难。
From a purely economic point of view, the region has already overcome some of the hurdles to a single currency, however.
从纯经济学的观点看，无论如何该区域已经克服了单一货币的一些障碍。
However, the economic viability of clinical it is still questioned by most hospital administrators because of changing standards, a variety of legal hurdles, and the volatility of the marketplace.
然而，临床资讯科技所带来的经济效益还是被许多医院的行政人员所质疑，因为改变标准，种种法律上的障碍，以及传统市场的波动性。
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