With a cash-flow crisis, since less than 10 % of the Rainforest Coffee has been sold thus far, the research money was contributed by Yu Yue-hwa.
吳子鈺心懷感激地說，由於雨林咖啡目前還賣出不到十分之一，營收困難的情況下，這筆研究經費是由老師於幼華教授「贊助」的。