en_tn_lite_do_not_use/rom/15/27.md

Yes, it was their good pleasure

"The believers in Macedonia and Achaia were pleased to do it"

and they owe it to them

"and the people of Macedonia and Achaia owe it to God's people in Jerusalem" or "and they are obligated to help them"

if the Gentiles have shared in their spiritual things

"since the Gentiles have shared in the spiritual things of the Jerusalem believers

they owe it to the Jews to be of service to them with their material things

The abstract noun "service" can be expressed with the verb "serve." Alternate translation: "the Gentiles are obligated to serve the believers in Jerusalem with their material things" (See: rc://en/ta/man/translate/figs-abstractnouns)

with their material things

"by giving them material things"