The question discussed yesterday is of great importance.

昨天讨论的问题十分重要。

youdao

The question was being discussed at the meeting yesterday afternoon.

在昨天下午的会上正讨论这个问题。

youdao

As discussed in yesterday's posting, the question of attribution is very complicated, and a lot of the most interesting discussions of the last few days have been on the basis of deep background.

ECONOMIST: European politics