Try an addiction to tucking away bank funds in secret offshore accounts over 13 years, for a purpose you have trouble explaining to your central bank when asked.

ECONOMIST: BBVA

The upshot is that, far from taking China closer to a freely floating global currency - the offshore trade is actually take it further away, with the central bank intervening in the markets even more than before.

BBC: Mr Osborne and China's long road to a global currency

The government is allowing offshore markets to trade the yuan at a level much stronger than what the Central Bank sets it at.

FORBES: China Crossing The Rubicon As Reform Agenda Moves Forward