根据《经济学人》的粮食价格指数，今年的粮食价格大幅上涨。
Food prices have risen sharply this year according to The Economist's food-price index.
《经济学家》的粮食价格指数已经高于自该指数1845年创立以来的任何时候。
The Economist's food-price index is higher today than at any time since it was created in 1845.
从2007年初到2008年中，《经济学人》粮食价格指数飙升了78%；大豆和大米价格的上涨幅度都超过了130%。
Between the start of 2007 and the middle of 2008, the Economist index of food prices rose 78%; soyabeans and rice both soared more than 130%.
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