Already, issues like climate change and energy supply demonstrate the futility of isolated national action and the critical importance of both deepening and enlarging the EU. Having suffered from disruptions in oil and gas supplies following disputes between Russia and Ukraine and then Belarus, the EU’s members have finally understood that their survival depends on their capacity to diversify their energy sources.
像气候变化和能源供应这样的问题已经反映出单个国家行动徒劳无益以及深化 和 扩大欧盟的至关重要性。在因为俄罗斯与乌克兰以及后来的白俄罗斯之间的争执而导致石油和天然气供应出现中断后，欧盟的成员国最终明白了它们的生存依赖于它们将能源来源多元化的能力。