As a target of speculation, there is no rational basis for its price, just like the Dutch tulip or northeast with kaffir prices, mainly by speculators gambling psychological decided.

• 作为投机对象，其价格没有什么理性基础，就像当年的荷兰郁金香或东北君子兰的价格，主要由投机者的赌博心理所决定。