1.In exchange, the international community will end sanctions and trade limits, which have hurt Iran's economy.
in exchange作为(对…的)交换(或替换)
It is illegal for public officials to solicit gifts or money in exchange for favors.
公务员通过索要礼物或钱财作为为他人提供便利的交换是违法的 。
He paid her a huge salary. In exchange, he was assured of her vote.
他给她支付了很高的薪水,作为交换,他确定能够得到她的选票 。
2.They'll need to see that Iran is working through this agreement, is complying with it.
comply with 照做,遵守
Some beaches had failed to comply with European directives on bathing water.
有些海滩未能遵守欧洲有关浴场的指令 。
The commander said that the army would comply with the ceasefire.
指挥官说军队会遵守停火协议 。