People seeking to avoid taxes in their home country can still hide their money in less developed countries where bank supervision is weaker.
希望在本国逃税者仍然可以将他们的资金藏匿在银行监管较为薄弱的欠发达国家。
英语百科
Bank regulation
（重定向自Bank supervision）
Bank regulation is a form of government regulation which subjects banks to certain requirements, restrictions and guidelines, designed to create market transparency between banking institutions and the individuals and corporations with whom they conduct business, among other things.