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.
尽管走在前列的中产阶级波兰人有耐心等待改变，但是其他人却非常担心。
Although go-ahead middle-class Poles are impatient for change, others are fearful.
欧洲工商管理学院走在前列，在新加坡开办了第二校园：该院所有学生既可以选择在欧洲学习，也可在亚洲学习。
INSEAD led the pack by opening a second campus in Singapore: all its students have a chance to study in Asia as well as Europe.
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