After several rounds of bargaining, and ultimately left is willing to sell, that is the worst quality goods, while the shrewd buyer will be reluctant to buy.

经过几轮的谈判，并最终离开愿意出售，这是最糟糕的优质商品，而精明的买家将不愿意购买。

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Those cancellations could be explained by shrewd bargaining tactics rather than slumping demand.

ECONOMIST: Making sense of the fall in commodity prices