边绝（缘界）效应
[例句]The new law will have only a marginal effect on the lives of most people.
新法律对大多数人的生活不会有重大的影响.
marginal effect是什么意思
边绝（缘界）效应
[例句]The new law will have only a marginal effect on the lives of most people.
新法律对大多数人的生活不会有重大的影响.