专业观众是指从事展会上所展出的商品或服务的设计，开发，生产，销售或者提供相关服务的专业人士或者用户。专业观众又称贸易观众。
专业观众多，国际贸易气氛活跃。
The audience is professional and International trade atmosphere is very active.
我们的新展旨在向非专业观众介绍这一主题。
Our new exhibition aims to introduce the subject to a non-specialist audience.
利用变形和夸张的人物，专业观众会轻易告诉一个角色的特点。
By using transformative and exaggerated figures, professional spectators would easily tell the characteristic of a role.
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