会議の間に環境政策について活発な議論が起きた。

A lively discussion about environmental policy arose during the meeting.

講義の後、食堂でその議論が続いた。

After the lecture, the discussion continued in the cafeteria.

会議の後、議論は昼休み中も続いた。

After the meeting, the discussions continued during the lunch break.

私たちは昨日の会議で環境政策について長い議論を交わしました。

We had long discussions about environmental policy at yesterday's meeting.