Discretionary things are not fixed by rules but are decided on by people in authority, who consider each individual case.
双语例句
例： Magistrates were given wider discretionary powers.
地方法官们被赋予了更广泛的酌情决定权。
例： The committee decided to pay small discretionary bonuses to reflect the accomplishments of key directors.
该委员会决定向核心董事依成就酌情发放小额奖金。