edit by Geoffrey Leech and Jan Svartvik by Geoffrey Leech and Jan Svartvik Geoffrey Leech, Jan Svartvik edit by Geoffrey N. Leech and Michael H. Short edited by Jeffrey Deitch and Rebecca Morse Geoffrey Leech，Jan Svartvik著 edited by Jeffrey W. Cody and Frances Terpak edited by Jeffrey W. Cody and Frances Terpak. edited by Jeffrey W. Treem and Paul M. Leonardi.