没有很多年。美国18年才开始禁止伊朗出口，也禁止其他国家买伊朗东西，否则就要吃美国大棒。
欧洲也一直在找美国金融体系以外的方式来跟伊朗继续做生意。可见也不是就中国这么想跟“独裁伊朗”做生意嘛...
"The EU-Iran trading mechanism INSTEX, designed to allow Europeans to bypass US sanctions and continue trade with Tehran"
EU's INSTEX mechanism facilitates first transaction with pandemic-hit Iran - Euractiv
The EU says that its Iran-trading mechanism INSTEX, designed to allow Europeans to bypass US sanctions and continue trade with Tehran, has successfully concluded its first transaction. However, the humanitarian deal actually doesn't appear to contravene EU sanctions.
www.euractiv.com
Europe and Iran complete first INSTEX deal – DW – 03/31/2020
European nations have exported medical supplies to Iran as part of a mechanism set up to circumvent US sanctions on Tehran. The two sides have struggled over the past year to establish the INSTEX barter system.
www.dw.com
况且三三两两的抗议者，就能代表“伊朗人民”？在美国随便找认为拜登“得位不正”的人，都比这多得多吧？能否说“美国人民反对拜登当选？”，在美国找疫苗阴谋论的人，也是一堆一堆的吧？能否说“美国人民不相信疫苗？”
西方政治宣传的艺术，就在于能永远把敌国一小部分反对者，政治斗争失败者，或者某些激进主张的支持者，描绘成代表大多数善良人民的正义一方。