It wants to remain engaged with the entire world, not just some islands off the European coast. It is easier for the US to deal with Europe as a whole, especially when some European answers to common social dilemmas look as if they might provide solutions for America as well.
美国对英国轻浮行为的后果大惊失色。英国希望融入整个世界，而不是欧洲海岸内的一隅。对美国来说，对付作为整体的欧洲更容易，特别是当欧洲对共同社会困境的答案看上去对美国同样适用的时候。