首先，带着口音说英语是可以的。

First, it's ok to speak English with an accent.

youdao

首先，你可以尽可能多地说英语。

First of all, you could speak it as much as possible.

youdao

首先，英语是唯一的国际标准语言。

First of all, English is the only international standard language.

youdao

So, what I want to do is, I want to discuss the scientific notion of language, at first restricting myself to systems like English and Dutch and American sign language and Navajo and so on.

因此,我想做的是,我想来谈谈语言的科学定义,首先我会将自己限定在,诸如英语,荷兰语,美国手语,或迪瓦霍语等语言系统之下

耶鲁公开课 - 心理学导论课程节选