concern和consider有什么区别：

及物动词 vt. [W]
1.(不用被动语态)关于
2.涉及,关系到;影响到
The letter is chiefly concerned with export commodities.
这封信主要是关于出口商品的.
The news concerns your brother.
这消息与你兄弟有关.
3.使担心;使不安[H][(+about/for)]
The boy's poor health concerned his parents.
那男孩健康状况不佳,使他的父母亲忧虑.
He is concerned for her safety.
他担心她的安全.
4.使关心[H][(+about/with)]
He was very concerned about her.
他对她非常关心.
名词 n.
1.关心的事,重要的事[C]
That's no concern of mine.
那不关我的事.
2.关系;利害关系[C][U][(+with/in)]
3.担心,挂念;关怀[U][C][(+about/for)]
Andrew expressed his concern.
安德鲁表示了他的关切.
4.公司,企业[C]
5.【口】小玩意儿;东西
To form an opinion about; judge:
对…评价；判断：
considers waste to be criminal.
认为浪费是有罪的
To take into account; bear in mind:
考虑到；顾及：
Her success is not surprising if you consider her excellent training.
如果你考虑过她所受的良好训练,你对她的成功就不会惊讶了
To show consideration for:
体贴关心：
failed to consider the feelings of others.
未能照顾到他人的感情
To think carefully; reflect:
仔细考虑；深思：
Give me time to consider.
给我时间仔细考虑