Wu Se-hwa points out that after Hong Kong returned to Chinese rule in 1997, City University of Hong Kong saw huge potential in the overseas Chinese market (including Hong Kong itself) for Mandarin-language instruction, and it began producing CDs and Internet websites that became very popular.
吳思華舉例，九七年香港回歸後，香港城市大學看中了海外華人（包括香港人）的龐大中文需求，因此以網路、CD 等各種形式推廣中文課程，造成熱潮。