1, csc net language means Changsha. In rap circles, it means "to make a long story short". All the rappers in Changsha can be said to be csc. Singers like to call Changsha CDC, Chongqing CQC District and Chengdu CDC.

2. Changsha, also known as Xingcheng, the capital of Hunan Province, is an important central city in the middle reaches of the Yangtze River in China approved by the State Council.