adjective🔗Share乐观，积极，乐天。 Expecting the best in all possible ways."in an optimistic mood"心情乐观attitudecharacterphilosophymindtoeicChat with AIVocabulary GamePractice Reading
adjective🔗Share乐观并发控制， 乐观锁。 Allowing other processes to perform transactions on the same data at the same time, and checking for conflicts only when changes need to be written back."optimistic concurrency"乐观测并发。computingtechnologyprocesstoeicChat with AIVocabulary GamePractice Reading
