Even though the direct costs of malpractice diputes amounts of a sum
lower than 1 percent of the $541 billion the nation spent on health care
last year, doctors say fear of lawsuits plays a major role in health-care
inflation.
C. amounted to less
D. amounted to lower
og解释是：The sentence does reqiure a noun (less), not an adjective
(lower), as the object of the preposition to.
请问less和lower的区别都是依据这个判断么？在意思上如何区别？
前人问过的问题，可是我对解释不认可。希望NN能提供更确切的区分解释，谢谢!costs less than 1% of ...
$111 lower than ...
注意, less的用法, 它既可以做n.adj. 也可以做adv. 在gamt中考点很活.
