Yījí shìchǎng hé èrjí shìchǎng de jiāoyì fāngshì bùtóng.
The trading mechanisms of the primary and secondary markets differ.
Tips
usage
In finance, 一级市场 = primary (issuing) market where securities are first sold; 二级市场 (secondary market) is where investors trade them afterwards. In real estate the same contrast is used for new-build vs resale properties.
