This term (originally coined by financiers in the Far East) refers to developments which make a particular centre flourish, although its own natives are not in a majority, or even dominant, in its use. This has happened to the Wimbledon tennis championships, which remain the global peak of the sport, and centered in England, even though vanishingly few of its performers, let alone stars, are British. It is also true of the City of London as a global financial centre, dominated by the activities of foreign institutions much bigger than its own domestic ones, but still believed to be beneficial to its home country.
It can happen to English too - but for how long?
full article: Penguin.co.uk