从第一天起，伊朗的妇女们就站在前列。
欧盟在总量管制与排放交易政策上一直走在前列。
The European Union has been at the forefront of cap-and-trade policy.
排在前列的当属腹泻病、下呼吸道感染、各种意外伤害以及疟疾。
Heading that list are diarrhoea, lower respiratory infections, various forms of unintentional injuries and malaria.
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