The London-based foursome are set to release their fourth single this month.这个来自伦敦的四人组合即将在本月推出他们的第四支单曲。The London-based foursome are set to release their fourth single this month.来自伦敦的四人组合即将在本月推出他们的第四支单曲。The two couples used to go around as a foursome.这两对夫妇过去常常四个人一块儿到处走。