All of this Internet activity is but the tip of the iceberg of a new and growing global human-tissue economy. Indeed, the World Health Organization (WHO) has estimated that about 10% of organ transplants around the world stem from purely commercial transactions.
所有这些网络活动不过是全球人类组织经济新兴并不断壮大的冰山一角。事实上，国际卫生组织（WHO）估计纯商业交易约占全球器官移植约10%的份额。