shuāng fāng / dài biǎo / zuò / zài / yī qǐ / jì yì / le / hěn jiǔ / zhōng yú / dá chéng / le / xié yì

双方代表坐在一起计议了很久，终于达成了协议。

The representatives of both sides sat and deliberated for a long time before finally reaching an agreement.