I frequently come up with ideas/solutions out of nowhere.

I frequently come up with ideas/solutions out of nowhere. Come up with a piece of solutions to problems与Come up with s come up with 与think up,think out,think of Scientists have come up with lots of ideas to explain the en 英语上的几个问题they have come up with lots of ideas to explain the 翻译：Choose ideas from the list or come up with a few of your This issue didn’t come out of nowhere. "out of nowhere"是什么意思? out of nowhere We need to come up with some ideas. you need to come up with some ideas find out 和 think of think up come up with 能相提并论吗?