Since the recession bit hard last autumn a lot of attention has been paid to the plunge in the Baltic Dry Index, a composite measure of the cost of shipping bulk cargoes such as iron ore and coal.

• 去年秋季，经济衰退给世界经济打击甚大，很多人关注到波罗的海干散货运价指数一路跳水，该指数是对散装货物的船运运输费用进行的复合测量，散货如铁矿石、煤等。