原因之一是宏观经济增长通常总会带来收入增长，而当前新兴市场国家经济涨势正盛，与许多银行的西方母国形成了鲜明对比。
One reason is that revenue growth usually goes hand-in-hand with macroeconomic growth, which increasingly is found in emerging-market countries, rather than in many banks’ mature Western home markets.