Yet just as China has come to realise its huge US bond holdings give it little leverage over US policy, Mr Geithner has learnt the hard way not to attack Beijing head-on over its currency policy.

• 不过，就像中国意识到，持有巨额美国国债并不意味着自己能对美国政策产生多少影响力一样，盖特纳也从沉痛教训中了解到，不要直接批评北京的汇率政策。