Complex sentence: The term was originally coined in mid- 1999 by Beijing journalists who were surprised by China's growing appetite for South Korean cultural exports, and subsequently referred to this phenomenon as "Hánliú" (韓流), which literally means "flow of Korea".
Split into simpler sentences: The term was originally coined in mid- 1999 by Beijing journalists who were surprised by China's growing appetite for South Korean cultural exports. They subsequently referred to this phenomenon as "Hánliú" (韓流), which literally means "flow of Korea".