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你将听到一段录音。请在每个空格里打出缺失的单词。
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An economist sees the world basically through a typical micro-economic toolkit. That involves things like thinking at the , rationality, opportunity cost, trade-offs. Economists like any other discipline or dogma has its own and its own rules, and its own way of seeing the world. So basically economics, or economists in general tend to micro-economic concepts like that to explain the way humans and to make predictions about the future.
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