Question

it's come to 成长烦恼里的：mike离家出走,没有地方住.说It's come to this.An ano

Answer 1

It's come to this（= It has come to this）是从俚语（idiom） to come down to...来的,意思是“（一番经历后）面对.结果”.

其它例句：

When you come down to it,you'll have to admit that I'm correct.

It's come (down) to this:you failed the test!You need to give it another try!