民意调查还显示，食物的成本正成为全球担忧的焦点，有三分之二的人表示价格是他们在选择食物时候率先考虑的因素。
The opinion poll also revealed that the cost of food is a worldwide worry with two thirds saying it is one of their top food concerns.
有迹象表明，美联储已成为像贝尔史登这样的投资银行的后盾。 美联储还承诺会给投资银行提供紧急贷款，这还是自大萧条以来的头一遭。
The Fed has signalled that it will now stand behind investment banks like Bear, and it has agreed to provide emergency lending to them for the first time since the Depression.
与此同时，科学家还考虑将“人类废弃物”变成新能源，运用在生物体发光的项目中，如此说来，电影《阿凡达》中五颜六色的“荧光树”不再是虚拟的，未来有可能成为现实呢！
The scientists have also considered the possibility that the fuel to fire the chemical reaction in the trees could come from human waste or food waste.
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