New Revised Standard Version
They were pleased to do this, and indeed they owe it to them; for if the Gentiles have come to share in their spiritual blessings, they ought also to be of service to them in material things.

Contemporary English Version
This is something they really wanted to do. But sharing their money with the Jews was also like paying back a debt, because the Jews had already shared their spiritual blessings with the Gentiles.

New American Bible
they decided to do it, and in fact they are indebted to them, for if the Gentiles have come to share in their spiritual blessings, they ought also to serve them in material blessings.

Douay-Rheims Bible
For it hath pleased them: and they are their debtors. For, if the Gentiles have been made partakers of their spiritual things, they ought also in carnal things to minister to them.

For it hath pleased them: and they are their debtors. For, if the Gentiles have been made partakers of their spiritual things, they ought also in carnal things to minister to them.

and.

Romans 11:17 And if some of the branches be broken and thou, being a wild olive, art ingrafted in them and art made partaker of the root and of the fatness of the olive tree:

1 Corinthians 9:11 If we have sown unto you spiritual things, is it a great matter if we reap your carnal things?

Galatians 6:6 And let him that is instructed in the word communicate to him that instructeth him, in all good things.

Philemon 1:19 I Paul have written it with my own hand: I will repay it: not to say to thee that thou owest me thy own self also.