xiǎozǔ tǎolùn shíjiān yǒuxiàn shí, xiān tán zuì nán juédìng de dìfang, bǐrú tímù fànwéi, héxīn guāndiǎn hé shùjù láiyuán

小组讨论时间有限时，先谈最难决定的地方，比如题目范围、核心观点和数据来源。

When group discussion time is limited, first talk about the hardest-to-decide points, like the topic scope, core argument, and data sources.