【国安二十年声音之交通】这是一段熟悉的声音：列车运行前方是东四十条站，有去往北京工人体育场，北京工人体育馆的乘客，请您提前做好准备 The next station is Dong Si Shi Tiao, passengers for Beijing Workers' Stadium and Beijing Workers' Gymnasium, please prepare to get off the train.
