Zambia Urban dwellers sometimes differentiate between urban and rural dialects of the same language by prefixing the rural languages with 'deep'. Most will thus speak Bemba and Nyanja in the Copperbelt; Nyanja is dominantly spoken in Lusaka and Eastern Zambia. English is used in official communications and is the language of choice at home among – now common – intertribal families. This continuous evolution of languages has led to Zambian slang which can be heard in daily life throughout Lusaka and other major cities. Portuguese has been introduced into the school curriculum due to the presence of a large Portuguese-speaking Angolan
Official language limited funding, however, the government rarely produces documents in most of the languages. Accusations of mismanagement and corruption have been leveled against the Pan South African Language Board, which is in charge of maintaining the system. Standard Chinese is the de facto official language of Taiwan. Note that Standard Chinese spoken in Taiwan is slightly different from that in Mainland China, and variant forms of the former are called Taiwanese Mandarin, locally known as 國語. The Hakka Basic Act and the Indigenous Languages Development Act have recognized the Formosan languages and Taiwanese Hakka (variant forms of Hakka Chinese) as national