# 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"