“协约”用英语怎么说

他们所能想到的极限不过达到订立协约和联盟而已.At the utmost their minds reached out to alliances and leagues.他们受到协约条款的约束.They were bound down by the terms of the agreement.期权协约的价格称为期权费.The price of this option contract is its premium....

“协约”的拼音为：xié yuē...