VOA慢速英语:伦敦仍被认为是世界金融中心

attractive – adj. having a feature or quality that people like

index – n. a number that indicates changes in the level of something (such as a stock market) when it rises or falls

isolationism – n. the belief that a country should not be involved with other countries; a policy of not making agreements or working with other countries

firm – n. a business organization

contingency plan – n. a plan that can be followed if an original plan is not possible for some reason

follow suit – expression. to do the same thing that someone else has just done