6月2日电，伊朗外交部发言人表示，我们必须观察美国在制裁问题上的立场是否发生变化，迄今为止尚未看到任何变化，以及美国尚未愿意就解除制裁一事给予明确的回应。

Core Viewpoint - The Iranian Foreign Ministry spokesperson indicated that there has been no observed change in the U.S. stance regarding sanctions, and the U.S. has not provided a clear response on the issue of lifting sanctions [1] Group 1 - The Iranian government is closely monitoring the U.S. position on sanctions [1] - There has been no indication of a shift in U.S. policy towards sanctions as of now [1] - The lack of a clear response from the U.S. regarding the lifting of sanctions is noted [1]