Making an appointment conforms the rule that early book early play, and strictly forbid transferring the fixed group.

预约遵循先订先得原则，严禁擅自调动已订组。

youdao

Making an appointment conforms the rule that early book early play, and strictly forbid transferring the fixed group.

预约遵循先订先得原则，严禁擅自调动已订组。

youdao