Whether you call it decline or not, the moaners are on to something: America has indeed produced many of the innovations that have made their way into global (and British) English, for better or worse.

无论你是为衰落，抱怨者都在谈论某：美国确实产生了许多新， 新已经进入全球（和英国）英语， 无论好坏。