The benchmark is centered around the main activities (transactions) of an order-entry environment.

基准集中在订单输入环境的主要活动（事务）上。

youdao

The challenge centred on more than 10, 000 pupils who missed out on a C grade in GCSE English, which is a crucial benchmark used for entry into further education, vocational training and employment.

BBC: Court rejects bid to overturn GCSE grades

The case centres on more than 10, 000 pupils who missed out on a C grade in GCSE English which is a crucial benchmark used for entry into further education, vocational training and employment, but the decision affected all the grade margins.

BBC: Exam boards defend GCSE English role in High Court