1. The European Union is an example of supranationalism, where member states pool their sovereignty to make collective decisions.
欧盟是超国家主义的一个例子，成员国共享主权以作出集体决策。

2. Critics argue that supranationalism can erode national sovereignty and undermine democratic accountability.
批评人士认为，超国家主义可能削弱国家主权并破坏民主问责机制。