签约

Their firm have contracted to build a double-purpose bridge across the river.

他们公司已约承建一座横跨大江的两用大桥。

I'll sign on with a nursing agency.

我将与一家保育约。

Would such legislation jeopardize chances for a treaty?

制定这样的法律会危及约的可性吗?

Two countries prolonged signing an agreement until details could be agreed on.

两国推迟约直到就细节达成。