The Chinese superstition that the more unusual something is the more tonic it must be has driven up the price of "blood nests" beyond all reason; it has even led to the rise of an industry which dyes white nests red, and it is the businessmen who really end up having the sweetest deal.
中國人迷信越奇特越有補頭的心態，造成血燕價格被亂哄抬，甚至在產地創造了將白燕窩染紅的加工業，而真正嘗到燕窩甜頭的其實是商人。