1．A is deeply fascinated/captivated with/by B.
2．A invariably exerts a great fascination on B.
3．Hardly can I resist the temptation of A， which…
1．A exert/have/bring about/exercises
influence/effect/impact on B.
2.A lays a solid foundation for B.
3.A plays a /significant/indispensable/decisive/fundamental/crucial/irreplaceable role in B.
A is of vital importance to B
1．A poses a potential and probable threat to B.
2．Too much exposure to TV undermines/adversely affects/endangers our efficiency of working and studying， posing a potential and probable threat to our career.
1. It is television that makes our life simple， colorful and dynamic， without which our life would probably pale./whose importance can never be exaggerated/which plays an irreplaceable role in relaxation and recreation.
2. Nothing can be compared with the importance of friends./ Nothing can equal/match the importance of friends. （最重要）
should attach great/considerable importance to XX
should lay great/considerable emphasis/stress on XX
1. （successfully）Address/tackle/put an end to the delicate/alarming/disturbing issue.
2. reverse the alarming and disturbing trend/tendency.
3. crack the hard nut
1．It is indisputable/undeniable that
2．There is no denying the fact that
3．It is self-evident that
4．It goes without saying that
5．It is widely/universally accepted/acknowledged that
6．It is no exaggeration to say that
7．There is a growing awareness among people that