[, ]official agreement to, or permission for sth, especially a plan or request（计划、要求等的）批准，通过◆The plan will be submitted to the committee for official approval.这计划将递交委员会正式批准。◆The Board of Directors has given its approval for the new branch.董事会已批准成立新的分支机构。◆The offer is subject to approval from the AGM.这出价须经年度大会批准。◆The company is seeking marketing approval for (= permission to sell) a new drug.公司正寻求取得新药的营销许可。 () [] if you buy goods, or if goods are sold, on approval, you can use them for a time without paying, until you decide if you want to buy them or not（货物的）试用，包退包换◆The goods were sent on approval and were later returned.所发送的货物是供试用的，以后可退回。