'Ours' in the Bible

And how is it that every one of us is hearing their words in the language which was ours from our birth?

For it was the Holy Spirit’s decision—and ours—to put no greater burden on you than these necessary things:

He called his workmen together, and others who were engaged in similar trades, and said to them, "You men well know that our prosperity depends on this business of ours;

Not only is there danger that this trade of ours fall into disrepute, but also that the temple of the great goddess Artemis be regarded as worthless and that she whom all of Asia and the world worship will even be dethroned from her magnificence.”