Cháng sān jiǎo jīng jì qū
Yangtze River Delta Economic Zone (economic region including Shanghai, Zhejiang and Jiangsu)
cháng sān
(old) high class prostitute
Cháng Sān jiǎo
Yangtze River Delta
abbr. for 長江三角洲|长江三角洲
Cháng Sān jiǎo Jīng jì Qū
Yangtze River Delta Economic Zone (economic region including Shanghai, Zhejiang and Jiangsu)