静音车厢
quiet carriage

京沪高速铁路股份有限公司表示，今年年底前，京沪高铁将推出“静音车厢”及计次季票等新型票制产品系列服务新举措。

The quiet carriages are aimed at providing a more tranquil and comfortable ambience for travelers. Passengers willing to obey the rules can choose the "quiet carriage" while booking tickets on the website or mobile app 12306, according to the Beijing-Shanghai High Speed Railway Co. Ltd.