1、关心
... concern n.担忧；关注的事情；vt.涉及；关系到；关心；关注；使担忧 be concerned with/in涉及，牵涉到；关心 be concerned about/over/for关心；挂念 ...
2、从事于
... as concerns 关于 be concerned with 关心，挂念；从事于 count on 依靠；期待，指望 ...
3、担心
... the publishing company 出版公司 be concerned with / about （使）担心；（使）挂念，（使）关心 collect information on the product 收集有关产品的信息 ...
4、挂念
... be about to 即将 be concerned with 关心,挂念,从事于 be familiar to为...所 熟悉的, be familiar with 熟悉的,通晓的;亲近的 ...
be e concerned with与某事物有关;关于
be only concerned with perfection盲目求纯
be concerned with sb关心某人
be concerned with sth为某人担忧;涉及;与某事有关
be concerned with A对A很关心
be concerned with about与…有关
to be concerned with关心;关于
To be concerned with sth与某事有关
attend to be concerned with关注