If you ask dealers how the price could go up so rapidly, they just shake their heads "who knows?" and can't give you a reason. In the end they can only rationalize this saying "demand is larger than supply, so the price naturally goes up" to explain this unreasonable phenomenon.
詢問郵商何以漲得如此之快，個個搖頭「莫宰羊」，說不出個所以然，最後只能以「需求大於供給，價格自然上漲」來合理化解釋此一不合理現象。