be concern with和 be relate to的区别在哪?他们都有与.有关 的这个用法 请问能互换吗?再麻烦帮我几个例句

connect和concern有什么区别都是be - with be concern about be concern with be concern for 的用法有什么不同 be of concern be of no concern be concern about sb concern sth sb be concerned with sth sb be concerned about sb be concerned about concern aboutbe concerned about 和 concern about 的区别! concern about 和be concerned about意思相同吗 英语中concern 和 be concerned about 有什么区别? be concerned about和concern about的区别 英语中concern 和 be concerned about 有什么区别? concern的用法关心某事是不是sb be concerned with sth那么concern about 最好有例子, be concerned with中concern不是及物动词吗?怎么还要个介词with? be good with 和be popular with be honored with和be honoured with be concern about concern要不要加ed be good at 和 be good with be of concern {to sb} 造句