Clearly, such considerations provide no guarantee that rising energy prices will not at some point seriously challenge European competitiveness. Indeed, new investment in chemical plants has grown only slowly for years now.
显然，这样的考量并不能保证能源价格上涨不会在某些方面严重影响欧洲的竞争力。事实上，化工厂的新投资增长已经放缓多年了。