区别就是两者都是形容词+名词language短语，形容词不同短语意思也不同，具体的不同如下
natural languages中文意思是自然语言
For decades educators fought his idea that signed languages are natural languages like English， French， and Japanese.美国国家航空航天局技术人员在最后的检查中注意到了计算机问题。
native language中文意思是母语[计] 本机语言机器各单元间编码语言
All teachers are qualified to teach their native language. Additionally， we select our teachers for their engaging personalities.
