The shortage of certified gemologists in Taiwan has resulted from the lack of professional training and qualified techniques, and their meager income.
原因是除了有些沒有受過很好的專業訓練、技術不佳、無法獲得顧客信任外，最大的原因還是：做一個公正的鑑定者，不僅辛苦，而且收入並不多。