national standard language的用法和樣例：
例句
- Every nation has its common national language.
每個民族都有各自的民族共同語。 - Mandarin is the common language of the Han people, while Lincang dialect is a branch of Yunnan sub-dialect in the southwest area of modern Chinese north dialect.
摘要普通話是現代漢民族的共同語，臨滄方言是現代漢語北方方言西南官話區雲南次方言的一個分支。
