pro·vi·so /prəʊˈvaɪzəʊ/([复] -so(e)s) n. 限制性条款，附文，(附带)条件，但书 a proviso clause 限制性条款(或保留条款) The carpenter agreed to do the work, with the proviso that he was paid in advance. 木工同意干这活儿，但以预先付费为条件。 I agree, with one proviso. 我同意，但有一个附带条件。 [< ML prōvīsō quod it being provided that < L prōvīsus provided]