Plenty of technology is used in sport. VAR assists referees in football, and this year line judges were replaced with a technology that is supposedly faster and more accurate. Though it doesn't always ...

BBC Take Away English “随身英语”：Can we trust technology in sport? 体育竞赛中应用的科技可靠吗？ If technology like VAR can make mistakes, are we right to trust it? Learn more about this ...