<prompt> Translate the following text to SwahiliEver since 1957 the Canton Trade Fair officially the Chinese Export Commodities Fair has attracted throngs of international business people every spring and autumn.  <response>: Tangu 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. 