International financial speculation is an unsteady and destructive factor of virtual economy.
国际金融投机已经成为实质经济的不稳定和破坏性因素。
The causes of a food crisis are complicated, including unbalanced supply and demand, as well as distorted international agricultural market and financial speculation.
粮食危机的成因复杂，既源于供需关系，也与扭曲的国际农产品市场、金融投机等因素密切相关。
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