區(qū)別就是兩者都是形容詞+名詞language短語，形容詞不同短語意思也不同，具體的不同如下

natural languages中文意思是自然語言

For decades educators fought his idea that signed languages are natural languages like English, French, and Japanese.美國(guó)國(guó)家航空航天局技術(shù)人員在最后的檢查中注意到了計(jì)算機(jī)問題。

native language中文意思是母語；[計(jì)] 本機(jī)語言；機(jī)器各單元間編碼語言

All teachers are qualified to teach their native language. Additionally, we select our teachers for their engaging personalities.