2021年考研英语复习资料核心母词uUnit,30,budget Unit 30 budget 1.budget b d t 2.premium primi m 3.bonus b n s 4.wage we d 5.allowance la ns 6.subsidy s bs di 7.welfare welfe 8.token t k n 9.substitute s bst tjut 10.deficit def s t 11.debt det 12.owe 13.owing 14.due dju