proviso

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++pro·vi·so /prəˈvaɪzəʊ $ -zoʊ/ noun (plural provisos) [countable] formal CONDITION/something THAT MUST BE DONEa condition that you ask for before you will agree to something 〔同意某事的〕（前提）条件，（附带）条件with the proviso that The money was given to the museum with the proviso that it should be spent on operating costs. 那笔钱提供给博物馆，前提条件是必须用于博物馆的营运。

Examples from the Corpus

proviso• Just one proviso and it is one that everyone in our industry knows ... this business is no soft option.• He agreed to do the work, but there was one proviso - he wanted to be paid in cash.• Bill had left the money to his grandson, with the proviso that it should be spent on his education.• The proviso about having to buy to keep is perfectly reasonable.• The proviso states that the Covenant does not require any legislation or other action prohibited by the Constitution.• Social custom made this proviso almost nugatory.• Surely our descendants are entitled to say, with proviso, ` I call this place my home.with the proviso that• Grace agreed, with the proviso that she and Herbert should make their break permanent.• This is of course with the proviso that these measures can be calculated accurately.• Other companies are happy to invest, with the proviso that the government does not neglect its duty.• The money was given to the museum with the proviso that it be spent on operating costs.• Hall agreed to this, with the proviso that Clarke should not have the exclusive right of sale at the exhibition.From Longman Business Dictionaryprovisopro‧vi‧so /prəˈvaɪzəʊ-zoʊ/ noun [countable]1LAW a part of a contract that covers a particular subjectLandlords frequently include a proviso stating that nothing contained in the lease shall prevent them from carrying out work on their property.2formal something that must happen before you will agree to somethingproviso thatThe only proviso is that you should let the office manager know well in advance if you decide to take a day off.Some companies are happy to invest in community projects, with the proviso that the government does not neglect its own duty.Origin proviso (1400-1500) Medieval Latin proviso quod “provided that”