a condition that must be accepted before an agreement can be made 限制条款；附文；但书 Their participation is subject to a number of important provisos. 他们的参与受一些重要条款的限制。 🔊🔊 He agreed to their visit with the proviso that they should stay no longer than one week. 他同意他们来做客，但条件是逗留不得超过一周。 🔊🔊
Word Originlate Middle English: from the medieval Latin phrase proviso (quod) ‘it being provided (that)’, from Latin providere ‘foresee, provide’.