先理解核心含义，再看它在真实句子里的用法。
突然想到的好主意
a sudden good idea
She had a sudden brainstorm and solved the puzzle in minutes.
她突然灵机一动，几分钟就解开了谜题。
His latest brainstorm led to a successful marketing campaign.
他最近的一个好主意促成了一次成功的营销活动。
After hours of discussion, we finally had a brainstorm that saved the project.
经过数小时的讨论，我们终于有了一个拯救项目的好主意。
Choose the next layer that will help you use brainstorms with more confidence.
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Dictionary facts from ECDICT.