！discussion是可数名词，discussions，n. 讨论；论述（discussion 的复数）；审议
But Goel and his team sourced the online discussion forum to find all the 40，000 questions that had ever been asked since the class was launched.但戈埃尔和他的团队在网上论坛上找到了这门课开设以来被问过的40000个问题。
discussion可数名词吗
是的，discussion可以做可数名词，意思是讨论，谈论； 详述，论述； 复数：discussions
例句:
We welcome the feedback and discussion. 我们欢迎反馈意见和讨论
