In the 18th and 19th centuries, rice and sugar produced in Taiwan was largely being shipped to Quanzhou and Zhangzhou in Fujian Province. This demonstrates that "mainland money" had already crossed the Taiwan Strait, and that the merchant gentry was already making fortunes from this trade.
18、19 世紀，台灣農民生產的米、糖大多外銷至大陸閩南泉、漳二州，顯見時下人們所說的「陸資」，當時即已跨海來台，兩岸間互通有無，紳商階級大賺其錢。