50. ( ) 我們另外寄上樣品。(譯成英文)
(A)We are sending you our samples in another mail.
(B)We are sending you our samples under separate cover.
(C)We are sending you our samples in another envelope.
(D)We are sending you our samples under separate post.

答案：登入後查看
統計： A(0), B(2), C(0), D(4), E(0) #949750