最普遍的外教资格证书种类有哪些？

Tefl 外教资格是Teaching English as a foreign Language，是国际认可的通用英语教师资格证书。Tefl证书证明外教在外域口语和教学方法上经过了一定的培训，掌握了一定的技巧。

Tefl foreign teacher qualification is English as a foreign Language Teaching, is an internationally recognized general English teacher qualification certificate. Tefl certificate foreign teachers through some training in Outland speaking and teaching methods, master certain skills.

Tesol 外教资格是Teaching English to Speakers of Other Languages即“对外英语教学”。Tesol 证书由美国TESOL教育学会颁发，被Tesol国际组织认可，此外在英国、澳洲等英语国家，大部分学校和语言培训机构也认可Tesol证书。

Tesol foreign teacher qualification is English to Speakers of Other Languages Teaching that is "foreign language teaching". Tesol certificate issued by the United States TESOL Education Institute, is recognized by the Tesol international organization, in addition to English, Australian and other English speaking countries, most schools and language training institutions also recognized Tesol certificate.

Tesl 外教资格是Teaching English as a Second Language，是专门为教授英语为非母语的英语老师特别设计的培训课程。全球范围内被广泛认可。

Tesl foreign teacher qualification is English as a Second Language Teaching, is dedicated to teaching English as a non native English teacher specially designed training courses. Widely recognized worldwide.

目前在国内基本上tesol、tefl和tesl外教证书都已经被混用，三者没有被严格的区别，都被作为外教资格证来看待。目前国内高校稍微专业一点的英语培训中心招聘外教都会要求三个证书之一。

At present basically TESOL, TEFL and TESL foreign teachers certificates have been mixed, and three have not been strict distinction, have been viewed as a foreign teacher qualification certificate. At present, the domestic colleges and universities are a little bit professional English training center to recruit foreign teachers will require one of the three certificates.