The phone number is empty

空号───Empty number;电话───Telephone

Hotel owners found themselves with a huge number of empty rooms even as a lot of unnecessary new hotels were ready to open.───酒店老板们发现，尽管许多本不必建造的新酒店正准备开业，他们酒店仍有大量的空房间存在。

You call number is empty number, please confirm and dial it again!───您拨打号码是空号，请确认后再拨！

During a number of violent incidents farmers threw eggs and empty bottles at police, who replied with tear gas.───在多次暴力事件中，农场主们朝警察扔鸡蛋和空瓶子，而警察则以催泪瓦斯回击。