青云翻译

Overall one pair of free shipping, two pairs free shipping (another minus $ 10)

House a pair of free shipping, 2 free shipping (minus $ 10)

An entire audience pair exempts the transport expense, 2 pairs exempt the transport expense (to reduce 10 Yuan in addition)

A double-free champion freight, 2 double-free reduced freight charges (another $10 )

House a pair of free shipping, 2 free shipping (minus $ 10)