Defining and policing a hard boundary will be impossible. Will affected banks be allowed to hedge their positions? This brutal regulation will be set upon by lawyers.

• 界定和执行一条硬性的界线将是不可能的。受到影响的银行是否将获准对冲它们的头寸？这一粗暴的规章将受到律师们的猛烈攻击。