bilingualism
UK
bilingualism n: (speaking two languages)
SC 通晓两种语言 tōng xiǎo liǎng zhǒng yǔ yán
SC 能用两种语言 tōng xiǎo liǎng zhǒng yǔ yán，néng yòng liǎng zhǒng yǔ yán
Bilingualism is the norm in Belgium, with many people also speaking a third language.
bilingualism n: (official use of two languages)
SC 双语制 shuāng yǔ zhì
TC 雙語制
TC 雙語制
Canada has a policy of bilingualism, with French and English having equal status.