1. For each operator, when is the p

1. For each operator, when is the promotion or qualifying period?

Results (Chinese) 1:

1.对于每个运算符，当是促进或期限吗?

Results (Chinese) 2:

1.对于每个运营商，当是促进还是排位赛期？

Results (Chinese) 3:

1。对于每一个运营商，何时是促销还是限定期？