【单选题】____ is a phenomenon that in some speech communities two languages exist side by side with each having a different role to play; and language switching occurs when the situation changes.
【判断题】Maori Renaissance is a phenomenon that the Maori tradition and culture were better preserved, and the welfare and social status of the Maoris were imprved in New Zealand.
【简答题】Green finance is a phenomenon that combines the world of finance and business with environmentally friendly behavior. It is a stage for many participants , including individual and business consumers,...