This suggests that a better question is whether to introduce the Volcker rule in addition to, rather than instead of, ring-fencing. In the interest of simplicity, I would say no.
这表明，更好的问题是是否在隔离政策上加上沃克尔规则，而不是是否以沃克尔规则代替隔离政策。长话短说，我的答案是否。