The currency unit marked on the RMB parcel is without exception the word "round", but from a legal point of view, the "People's Bank of China Law" stipulates that the unit of the yuan is the yuan, and the unit of the yuan's subsidiary currency is the angle, cent. The legal perspective stipulates the RMB unit, that is, the yuan is the legal currency unit of the RMB. The circle has the meaning of the currency unit, which means that ~ p yuan is the legal currency unit of the RMB. The circle has the meaning of the currency unit, which means Historically, after the People's Bank of China Law was enacted, the yuan was a legal RMB currency unit, and Yuan was no longer a standard Chinese character as a RMB currency unit. Can it be derived from this text? ['"Circle" and "Yuan" can be used in common.', 'According to our daily experience and thinking habits, this "round" means "yuan".', '"Circle" is not the currency of RMB. The "Circle" printed on RMB notes is likely to be a principle error.', 'In a legal society, you cannot imagine the existence of two different monetary units at the same time.']