crop up

基本解释

Find a notebook, or create a document on your computer, to store any awesome ideas that crop up – you can always come back to them in the future.
找一个笔记本，或者在你的电脑上建一个文件夹，存储那些突然出现的可怕想法——你将来也可记起。
Rather than spending a lot of energy trying to power on through these situations, focus on coming up with ways to deal with them before they crop up next time.
更确切地说，应该花费大量的精力，通过这些情况，努力去促进自己，集中精力找到办法，下次在这些情况意外地出现前解决它们。
Incompletely thought through decisions at these phases of the product lifecycle often crop up further down the line when it comes time release and maintain the software product.
在产品开发周期的这些阶段上所做出的不完全的思考和决定，常常在产品的发布和维护阶段突然出现。

We've never been able to get that substantiated, but it does crop up in some of the commentaries.
Experts say the new methods also increase crop production up to five times more than crops that depend on rainfall only.
The crop may not be ready for up to two years.

And they now have the luxury of time to plan for the problems that crop up.
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