Ahmed was travelling to attend a fair of medical equipment, to get what he needed for his clinic.

clinic 是名词，指"诊所"，即提供基础医疗服务的机构，通常规模比医院小，专注于特定领域或提供门诊服务。这个词源自希腊语 klinē（床），最初指病床或病人休息的地方，后来引申为医疗场所。