1.By this means, the vision of Euro is not so clear, and its replacement of US dollar is still an unrealistic dream.
从这个意义来看，欧元的前景依然不明朗，取代美元的国际货币体系霸权地位仍是一个遥远的梦。
2.Even trying to realise that unrealistic dream represents a large and long-term commitment.
要知道，即使是不切实际的梦想也代表着一个庞大而长远的承诺。
3.The teacher said, 'This is an unrealistic dream for a young boy like you . You have no money .
老师说：‘这对像你这样的一个年轻人简直就是一个不现实的梦想。