乌克兰危机爆发后可再生能源改善能源安全的肤浅说法可信度大幅降低；欧洲现在知道只有大量而稳定的能源供应关系才值得考虑。
And facile claims that renewable sources can boost energy security look a lot less convincing after the crisis in Ukraine; Europe now understands that only large and stable energy supplies matter.