city commerce的用法和样例：
例句
- Bengbu housing savings banks have been transformed, joining the ranks of city commercial banks.
蚌埠住房储蓄银行也摇身一变，加入城市商业银行的队伍。 - At present, the upsurge of city commercial pedestrian street building reflects that modern urban human need colorful street life.
目前城市商业步行街建设的热潮折射出现代城市人对适合人尺度的生机勃勃的街道生活的需求回归。
