Since European Integration movement spring up, European Union have been faced with a series of problems, for instance, revising of Maastricht Pact, extending member states of the European Economic Community with contradiction occured in the process, high living standard folling high rate of unemployment, etc.
欧洲一体化运动兴起以来，欧洲联盟面临一系列严重的问题，其中如马约的修订、欧共体成员国扩大而引起的矛盾、与高生活水平同时存在的高失业率等。
