Once again, this problem is particularly pervasive in Europe. The maxims of today – the need for diverse suppliers, enhanced interconnection, greater efficiency, and a sensible energy mix – have been discussed for at least a decade.
在这方面，欧洲也是重灾区。今天的口头禅&mdash;&mdash;需要实现供给源多样化、加强连通性、增进效率、形成明智的能源组合等&mdash;&mdash;都是至少已经存在了十年的老生常谈。