Denison says the question is whether Europe will be able to forge a unified, combined response to Russia and a common energy security plan to get out from under its dependence on Russian energy.

• 丹尼森说，问题是欧洲能否联起手来，对俄罗斯采取统一态度，并制定能源安全计划，走出对俄罗斯能源的依赖。