美国财长贝森特谈论美联储“影子主席”：不知道谁在讨论这个问题。主席鲍威尔无需离开，2026年任期届满之后，他可能会继续担任美联储理事。汇率波动是正常的事情。

Group 1 - The core viewpoint is that Treasury Secretary Yellen commented on the discussions surrounding the Federal Reserve's "shadow chair" concept, indicating uncertainty about who is discussing this issue [1] - Chair Powell is not required to leave his position, and he may continue to serve as a Federal Reserve governor after his term ends in 2026 [1] - Currency fluctuations are considered a normal occurrence in the financial landscape [1]