Copper prices, for example, have fallen 23 per cent in the past two months, partly on fears over Chinese consumption of the metal, which has fallen by more than half this year.

• 举例来说，过去两个月铜价已经下跌了23%25，这一定程度上是因为人们担心中国对该种金属的消费--今年中国的铜消费已下降逾一半。