英语已经成为真正的国际语言，因为把英语作为第二语言的人数已经超过以英语为第一语言或母语的人数。
English has become a truly international language with more speakers of English as a second language than as a first or mother tongue.
其中，约4亿的人以英语为母语，另外还有同样数目的人把英语作为第二语言熟练使用。
That includes around 400m who speak it as their mother tongue and about the same number who speak it fluently as their second language.
这是一个网站的人学习英语把它作为第二语言，是因为某些人的母语就是英语。
This is a website for the person who learning English as 2nd language, and it is maintained by some persons whose mother language is English.
这是一个网站的人学习英语把它作为第二语言，是因为某些人的母语就是英语。
This is a website for the person who learning English as 2nd language, and it is maintained by some persons whose mother language is English.
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