proviso/prəˈvaɪzəu; prə`vaɪzo/ n(pl ~s; US also ~es) clause, etc that is insisted on as a condition of an agreement 限制性条款; 附文; 但书 He accepted, with one proviso, ie on one condition. 他同意了, 但有一个附带条件.
牛津英汉双解词典