oppose and mitigate the effects of by contrary actions;
"This will counteract the foolish actions of my colleagues"
例句
用作动词(v.)
No cedant may countervail the expenses or incomes formed by the relevant original insurance contracts with the incomes or expenses formed by the reinsurance contracts.再保险分出人不应当将再保险合同形成的收入或费用与有关原保险合同形成的费用或收入相互抵销。