写一篇三分钟左右的英语对话(商务性的)

--what do you think about the trade fairs?how it works to benifit the exhibitors?
--To exhibitors the first advantage is that a trade fair provides them a chance to meet a big volum of clines with low costs.sencondly,they can work efficiently.they could deal with seveal clines at the same time making goods introduction and modling to all.third,the trade fairs give them oppotunities to find their protential buyers at the same time.
--and do you think it also provides convients to visitors?
--sure.it's obviously that visitors also save a lot of time finding the goods they need via trade fairs.and in the trade fairs,they can also compair the qualities of goods they need just by taking some step around the exhibition hall.
--that sounds great!