从石油到白银,所有商品价格的过度波动都是投机者制造的?

"One side is that speculation can send the price far from the underlying true economic price of the asset or the stock. The other view is that some speculators know better than the people who are involved what the price actually should be... Someti...

46. Something is wrong with the computer. It won’t ___. A. close down B. settle down C. cut down D. shut down 47. The professor asked the students some questions, but ___ of them was willing to answer. A. none B. nobody C. neither D...

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