进口商可以通过可转让的运输单据将货物在运输途中卖给新的买方，这类可转让单据用起来非常方便。

进口商可以通过可转让的运输单据将货物在运输途中卖给新的买方，这类可转让单据用起来非常方便。
【正确答案】：The importer can sell the goods to a new buyer while they are being carried by means of negotiable shipping documents which are very convenient to use.