a.跨境物流方案查询:https://sell.aliexpress.com/zh/__pc/logisticsfee.htm?spm=5261.8115697.2341.3.288c489brHqJj3 b.菜鸟无忧物流官方报价:https://sell.aliexpress.com/zh/__pc/logisticsfee.htm?spm=a311a.7996332.0.0.1c193080YVBXWy