Hundreds of other ideas had been tried and discarded during two years of brainstorming.
数百个其它点子在两年的头脑风暴集体讨论中被尝试过但又被摒弃了。
《柯林斯英汉双解大词典》
3
Collecting raw material, which is reading books and taking notes, is very much like the process of brainstorming at the prewriting stage of an ordinary essay.