We wish to extend our warm welcome to your desire to _______ with us.
A.open into trade relations
B.enter a direct business relation
C.establish business relations
D.build up business connection
正确答案是C
We wish to extend our warm welcome to your desire to _______ with us.
A.open into trade relations
B.enter a direct business relation
C.establish business relations
D.build up business connection
正确答案是C