come of 和 come from 的比较？

come from (美式)持有某种意图或观点
come from sth 从(某地)来;源于
eg:
milk comes from cows.
where do you come from?
I come from Newcastle(纽卡斯尔)but I've spent of my life in London.
come of 出身于;由...引起,结果;起源于
come of age 成年;达到法定年龄
come of sth 由(某事)引起
eg:I don't think any good will come of all this.

A comes of B.
come of的of示意着A是B的结果，存在因果关系。可以翻译成A出自于B本身。B可以是物体、事物或某种行动本身。
例子：
What Good Can Come of Keeping Internet Records Longer? 什么好处出自于长期保留网络纪录？
No good can come of this. Please reject this proposal! 没有什么好的会出自于此，请拒绝此报告。
What is to come of our future. 什么会出自我们的未来。

A comes from B.
come from示意着A来自B或A从B到来，多用于来自某某地方或某某团体。
例子：
He comes from school. 他从学校过来的。
He comes from a good school. 他从好的学校来的/他来自好的学府。

come of
v.出身于, 由...引起
起源于,结果

He comes of a good family.
他出身于世家。
从…产生；由…引起
Will good come of your actions?
你的行动会带来好处吗？

come from
v.来自