A is a significant part of B's life.
For B,A is of paramount value
A is vital for B
A is of notable value to B
A is an imperative part of B's life
A对B很重要的英文表示方法不要使用important,这样简单的词语.用5种英语表示方法表示.
A is a significant part of B's life.
For B,A is of paramount value
A is vital for B
A is of notable value to B
A is an imperative part of B's life