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1·Artificial scarcity is the natural goal of the profit-seeking.

人为的稀缺性是追逐利润的天然目标。

2·Particularly in the UK, they welcome the creation of artificial scarcity of land, via planning controls.

特别是在英国，他们欢迎通过规划控制，来人为造成土地稀缺的做法。

3·But Dr Ioannidis and his colleagues argue that the reputations of the journals are pumped up by an artificial scarcity of the kind that keeps diamonds expensive.

约阿尼底斯和他的同事认为，这些期刊的声誉是被人为的稀缺性所抬起来的，正如钻石般物以稀贵。