at one's discretion是什麽意思

[釋義] 由…決定; 任憑;

[網絡] 酌量;

[例句]The Committee shall be chaired by one of the two Ministry of Defence delegates, at the Ministry's discretion.

軍備委員會會議應由國防部裁量決定該部兩名代表其中壹人主持。