If Zhang Zetian hadn’t gone to Barnard College in the US, she may not have had the opportunity of falling in love with Liu Qiangdong, the boss of online shopping website JD.com. Her experience as an exchange student granted the 20-year-old arts and humanities major at Tsinghua University, commonly nicknamed by Internet users as “milk tea girl”, the opportunity of studying on a foreign campus as well as the chance of a romantic encounter.