discretionary
/dɪsˈkreʃənərɪ/adjective
1- available for use at the discretion of the user可任意使用的：
the criminal courts possess a discretionary power to make compensation orders
刑事法庭有权自行发出赔偿命令
rules are inevitably less flexible than a discretionary policy.
规则总没有相机行事的政策来得灵活。
1.1
- denoting or relating to investment funds placed with a broker or manager who has discretion to invest them on the client's behalf代表委托人全权进行投资的：
discretionary portfolios.
自主投资组合。