China's railway network is preparing for the 2026 Spring Festival travel rush, known as chunyun, with passenger trips expected to reach a record high of 539 million during the 40-day period. 中國鐵路網絡正為2026年春節客運高峰（即春運）做準備，預計在為期40天的春運期間，旅客出行量將達到創紀錄的5.39億人次。 To cope with the travel peak, services have been introduced to improve convenience and accessibility, the country's top railway operator said on Sunday. 為應對出行高峰，中國國家鐵路集團有限公司週日表示，已推出多項服務以提升便利性和可達性。 The Spring Festival travel season is the world's largest annual human migration. In recent years, some 9 billion passenger trips across all modes of transport have been recorded over the 40 days, reflecting both the cultural significance of the holiday and the scale of China's transportation system. 春節返鄉潮是世界上規模最大的年度人口遷徙。近些年來，在為期40天的春運期間，各類交通工具的旅客運輸總量達到約90億人次，既彰顯了這個節日的文化意義，也體現...