discretionary
adj[esp attrib 尤作定语]
used, adopted, etc when considered necessary 根据需要而使用的、 采取的等; 便宜施行的
discretionary powers, measures, etc 可便宜施行的权力、 机动措施.
discretionary payments to old people 酌情发放给老年人的补助金.
Greater too than we can describe; for language, which was invented to convey the meanings of this world, cannot readily be fitted to the uses of another.