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Rules for recusal do exist .

回避规则确实存在。

Forty-seven states have adopted the american bar association 's tougher rule for recusal when " impartiality might reasonably be questioned " .

有四十七个州接受了美国律师公会更为严格的回避规则即“对公正存在合理怀疑”。

Tightening rules for recusal would help , says james sample of new york university 's brennan centre .

强化回避规则应该有所帮助，如纽约大学布莱南中心的jamessample所言。