After a long debate, Congress approved the proposal.

经过长时间辩论，国会通过了这项提议。

《牛津词典》

After a long debate the bill was passed.

经长时间的辩论，议案获得通过。

youdao

After a long debate, the meeting approved the bill.

经过长时间的辩论后，会议通过了此议案。

youdao

"After a long public debate they had a photograph of Pol Pot and exactly two lines in Khmer saying that Pol Pot is responsible for the death of 3.3 million Cambodian people.

VOA: standard.2010.04.19

There is no Catholic consensus, not even a Christian one: after a long debate the framers of the Eurozone decided not to mention the Christian roots of Europe, not even to acknowledge its historical influence.

FORBES: The End Of Europe: A Civilization Built On Sand

An amendment which would halt the Police(NI) Bill's second reading was defeated by a majority of 200 after a day long debate in the House of Commons.

BBC: Tories fail to block RUC Bill

Councillors disagreed and, after a long and heated debate, Mr Hygate was "neutrally suspended" on full pay.

BBC: Cornwall