standing chairman的用法和樣例：
例句
- Standing chairmen shall be elected by the Presidium to convene and preside over meetings of the Presidium.
主席團推選常務主席若干人，召集並主持主席團會議。 - The managing chairman of the Presidium may hold a meeting to discuss the major special issues of the regulation motions and report the discussion and opinions to the Presidium.
主席團常務主席也可以就法規案中的重大的專門性問題，召集代表團推選的有關代表進行討論，並將討論的情況和意見向主席團報告。
