这份协议的其他签约国，英国、中国、法国、德国和俄罗斯，一直试图挽救该协议，但德黑兰一再指责欧洲做得不够多。
The other signatories of the agreement, Britain, China, France, Germany, and Russia, have been trying to save the agreement, but Tehran has repeatedly accused Europe of not doing enough.