Why does the purchase of body parts give rise to international condemnation, while the purchase of agricultural land does not – even when it involves evicting local landholders and producing food for export to rich countries instead of for local consumption?
为什么买卖人体器官会引发国际社会的谴责，而买卖农地则否——即使后者包括驱逐当地地主以及为发达国家而不是当地消费者生产供出口的粮食？