be of assistance ( to sb ) ( in doing sth ) The grant was of great assistance to us in setting up the organization. Cambridge DictionaryBe of practical use or help. ‘the guide will be of assistance to development groups’
... [مشاهده متن کامل]
‘We hope this financial contribution will be of assistance. ’
Lexico, Oxford English and Spanish Dictionary
phrase. Someone or something that is of assistance to you is helpful or useful to you.