签订一份合同 建造一个新的演唱会场地 开工日期没有定 A contract is signed to build "Hall for All," a new concert venue, launching construction without a set opening date.

新音乐会场地的建设合同已经敲定，名为“人人大厅”，标志着该项目的发展向前迈出了关键一步。 A contract has been finalized for the construction of a new concert venue named "hall for all," marking a key step forward in the project's development. 场地设计的目的是主办范围广泛的各种表演,并充当文化枢纽,不过公告中没有关于地点、能力或资金的具体细节。 The venue is designed to host a wide range of performances and serve as a cultural hub, though specific details on location, capacity, or funding were not included in the announcement. 签字标志着建设阶段的开始,没有提供进一步的时间表。 The signing signals the start of the building phase, with no further timeline provided.