discretionary reduction

基本解释

Especially in terms of primary and secondary students, the implementation of quality education and "Burden reduction", has given them a lot of discretionary leisure time.
特别是对于中小学生而言，素质教育的开展，“减负”的实施，更是给了他们大量的可自由支配的闲暇时间。
The total deficit reduction is more than double the $400 billion Obama proposed last month to save by freezing domestic discretionary spending at the 2010 level for the next five years.
总赤字减少的两倍多四千点零零亿美元奥巴马上个月提出节省开支冻结在国内可自由支配的五年2010年水平下。
blog.sina.com.cn
They constitute an unprecedented reduction of some 10%in non-defence discretionary spending, meaning all government programmes barmandatory entitlement schemes and defence (see chart).
他们对与军事防御无关的任意花销的减幅达到10%，这是前所未有的。这意味着所有政府计划将禁止强制性权利计划和防卫。

He also encouraged co-ordination with conservative think-tanks such as Heritage, Cato and Americans for Tax Reform, better communication with voters, a cut in non-defence discretionary spending to 2008 levels and ultimately a reduction of federal spending to 18% of GDP.
ECONOMIST: The House Appropriations Committee
Companies with engaged workforces report 87% reduction in employee turnover, 57% improvement in discretionary effort, 37% less absenteeism and 26% increase in productivity.
FORBES: The dollars and cents of employee engagement
The President is confident that Congress will take the appropriate action to achieve a balanced deficit reduction package in order to avoid these onerous cuts in both defense and non-defense discretionary spending that were written into the law by Congress.
WHITEHOUSE: The White House