proviso
🇬🇧/prəˈvaɪzəʊ/ 🇺🇸/prəˈvaɪzoʊ/ 49A proviso is a condition in an agreement. You agree to do something if this condition is fulfilled. 限制性条款
noun [具体名词]附带条件；附文；限制性条款
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。
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