And economists like Mr Brunnermeier are trying to fit their small, "blackboard" models of the crisis into a larger macroeconomic frame.
象Brunnermeier先生这样的经济学家试图将危机的小黑板模型应用到更大的宏观经济框架下。
The screen reel drum and the card-shelf reel drum are fixed above the blackboard, and the picture clip is fixed on the upper frame of the blackboard;
银幕卷筒、卡片架卷筒固定在黑板上方，图片夹固定在黑板的上框上。
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