<prompt> Translate the following text to EnglishTangu mwaka wa 1957, Canton Fair kwa rasmi, Maonyesho ya Bidhaa za Uuzaji wa China imekuwa ikivutia watu wengi wa biashara wa kimataifa kila majira ya kuchipua na vuli.  <response>: Ever since 1957 the Canton Trade Fair officially the Chinese Export Commodities Fair has attracted throngs of international business people every spring and autumn. 