They may at any time try to " dissave " 他们可以在任何时间进行“负储蓄” 。
2.
At a given moment in time , your cannot change the total amount of your financial wealth . you can change it only over time , as you save or dissave , or as the value of your assets change 你只能随着时间的推移才能做到这一点,比如进行储蓄或者动用储蓄,以及资产的价值改变。