联合国教科文组织最近将4月30日定为世界爵士乐日，旨在提高人们对爵士乐的认识、爵士乐的重要性以及爵士乐作为跨文化中统一的声音的潜力。
UNESCO recently set April 30 as a day to raise awareness of jazz music, its significance, and its potential as a unifying voice across cultures.
它使用来自系统编目中统计信息中的信息。
It USES the information from the statistics in the system catalog.
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