unassailably

1. The General Agreement on Trades in Service ranged higher education into service trade unassailably.
   《服务贸易总协定》明确地将高等教育归类于服务贸易，进而将留学生教育纳入教育服务贸易的方式2即境外消费。

adv

1. in an unalterable and unchangeable manner
   1. his views were unchangeably fixed

   Synonym:    unalterablyunchangeablyimmutably