be concerned with中concern不是及物动词吗?怎么还要个介词with?

be concerned about与be concerned with 区别如题 be concerned with与be concerned 有什么区别 be concerned in……be concerned in 和be concerned with有什么区别啊? be concerned with中concern不是及物动词吗?怎么还要个介词with? be concerned with有几个意思? be concerned with您说的是be involved in sb concern sth sb be concerned with sth sb be concerned about sb be concerned about与be concerned with 区别 感觉都有关心的意思 be concerned with和be concerned about 到底有多少种意思 be concerned in和be concerned with 有没有参加和与…有关的意思 be concerned with 和 be concerned in 有什么区别?最好举几个例子. 用be concerned with （与……有关）造句 be concerned with 和go up 的中文意思 concerned 相关搭配be concerned forbe concerned aboutbe concerned with的用法及区别 另外有例句最好啦还有 我弱弱的问下 有没有be concerned on 感激不尽 英语中concern 和 be concerned about 有什么区别? 英语中concern 和 be concerned about 有什么区别? 英语翻译翻译一下这几个短语,be comparable to　　　　　　　be comparable with　　　　　　be composed of　　　　　　　　 be concerned with be concerned with sb.是与某人有关吗?介词with可以换成in吗