shuāng / fāng / jiù / jià / gé / hé / jiāo / huò / rì / qī / dìng / yuē / bìng / qiān / shǔ / le / hé / tóng

双方就价格和交货日期定约，并签署了合同。

The two sides made an agreement on the price and delivery date and signed a contract.