Помогите правильно перевести два предложения. Текст на экономическую тематику о предпринимательской деятельности и выставках.

At many exhibitions one can find stands and stalls selling all kinds of goods
and exhibits to the willing visitors. The messages to be conveyed by the
exhibitions and the mottos under which they are held vary enormously, but the
keynote remains: it is peace and progress through trade and economic cooperation.