Brown said G20 leaders should aim to save or create 20m jobs and must act together to increase the potential impact of their actions.
英国首相布朗表示，20国首脑应致力于保存或创造二千万个就业岗位，而且必须通力协作，使得救援行动的潜力能发挥到更大。
Now, Spiegelman and colleagues have identified two proteins that act as molecular "switches" to turn on the production of brown fat.
现在，Spiegelman和他的同事们已经确定了两种起分子“开关”作用的蛋白质，它们是产生灰色脂肪的关键。
Second, because of the extension is disrespectful to the people, do not act seriously and the result is not significant, For "If a person does not brown."
二是由于上一点引申对人不恭，办事不认真，效果不显著，欲有“某人无茶色”。
Second, because of the extension is disrespectful to the people, do not act seriously and the result is not significant, For "If a person does not brown."
二是由于上一点引申对人不恭，办事不认真，效果不显著，欲有“某人无茶色”。
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