With three decades came changing fortunes. During the tumult engendered by the popularity of high-mountain oolong, sales of low- to mid-altitude oolongs were slack, giving rise to thoughts of how to adapt.
30 年風水輪流轉，在高山烏龍過於搶手以致亂象頻生之際，中低海拔的烏龍卻已呈衰象而亟思轉型。