China's major airlines have extended free refund and rescheduling policies for Japan-bound tickets as weekly Sino-Japanese flight volumes sink to their lowest level in a month and Chinese travelers redirect their winter holiday plans toward emerging hubs in Russia, Central Asia and domestic ice-and-snow destinations. 中國主要航空公司已延長日本航線機票的免費退改政策，因中日每週航班量跌至一個月來最低水平，中國旅客正將冬季度假計劃轉向俄羅斯、中亞新興樞紐及國內冰雪旅遊目的地。 On Friday, major domestic airlines, including Air China, China Eastern Airlines and China Southern Airlines, extended their previous Dec 31 deadline for refunds and rebooking to March 28 next year, the end of the winter-spring travel season. 週五，包括中國國際航空、中國東方航空和中國南方航空在內的國內主要航空公司，將原定於12月31日的退票和改簽截止日期延長至明年3月28日，即寒假春假出行高峰期的結束之日。 The extensions follow China's travel advisories issued in mid-November discouraging trips to Japan after erroneous ...