be not without interest(Представляют интерес = Not without interest are. Not without interest are the facts that his first wife was fifteen years older then he, his second wife fifteen years younger, and the latter survived him by fifteen ... | Also not without interest are his references to the descendants of the Portuguese soldiers, who had come with Christovao da Gama, and had remained in the ... Alexander Demidov)
act for(act for somebody | act on behalf of somebody: to be employed to deal with somebody’s affairs for them, for example by representing them in court. OALD Alexander Demidov)
represent before(The solicitor will then give advice to the respondent and represent him before the court. | The Commissioner may authorise a person to represent him before the Tribunal in relation to–. (a)specified proceedings; or. (b)all or specified categories of ... | ... and accommodation when they leave prison or secure centres and homes, advise children on criminal appeals and represent them before the Parole Board. Alexander Demidov)
be as interesting(as – чем: The Water Street façade with its rough-surfaced rusticated stonework is as interesting as the front. -- представляет не меньший интересART Vancouver)
be of great interest("These details are all of great interest." (Sir Arthur Conan Doyle) – Все эти подробности представляют огромный интерес.ART Vancouver)
be of particular interest to sb.(The video is of particular interest to the National Crime Agency whose officers believe that it could be a clue as to how the traffickers go about their day. -- представляет особый интерес для сотрудников НАБПART Vancouver)