At a casual party, it is customary to bring a bottle of wine or some other refreshment.

若是非正式的派对，习惯上是要带瓶酒或其它点心。

youdao

I was asked to make a casual speech at the party.

聚会上，我应邀做了个即席发言。

youdao

I was asked to make a casual speech at the party.

聚会上，我应邀做了个即席发言。

youdao