A flat in London costs almost half as much again as a flat in Glasgow.伦敦的公寓价格几乎比格拉斯哥的高。A flat in London costs half as much again as a similar flat in Glasgow.在伦敦买一套公寓比在格拉斯哥买同样的一套公寓要多花一半的钱。A house in London costs half as much again as a house in Edinburgh.伦敦的房子比爱丁堡的贵一半。