【经】 research on advertising
right; answer; reply; at; check; compare; couple; mutual; opposite; versus; vs
face to face
【计】 P
【化】 dyad
【医】 Adv.; contra-; corps; ob-; p-; pair; par; para-
【经】 vs
ad; advertisement; advert; bill
【经】 ad; advertising; hand bill; literature; publicity
research; study; consider; delibrate; discuss; investigate
【医】 research
【经】 search; study