concern

英 [kən'sɜːn] 美[kən'sɝn]

as regards the interests or case of ——

至于；就…而言

the measures are irrelevant as far as inflation is concerned.
就通货膨胀而言，这些措施无关紧要。

(formal)have nothing to do with

(正式)与…无关

drama seemed to have no concern with ‘truth’ at all.
戏剧似乎与“事实”毫无关系。

a formula placed at the beginning of a letter, notice, or testimonial when the identity of the reader or readers is unknown

敬启者（读者身份不明时用在信件、通知和证明书开头的套语）