Lexical changes are one of the important aspects of language change.

词汇的演变是语言发展变化中的一个主要方面。

What to conclude about the nature of language change from the linguistic division of English language history?

如何从英语语言发展史期的划分来理解语言变化的实质？

It is argued that (1) the debate over Unidirectionality reflects actually the conflict between the functionalist view of language change and formalist view of language change respectively;

单向性之争本质上是功能学派和生成学派两种语言演变观的冲突与较量；

Historical linguistics is the subfield of linguistics that studies language change.

历史语言学是研究语言变化的一个语言学分支.

Social factors and linguistic factors contribute to language change, which is epitomized by the change of meaning and an enormous increase of new words.

变化源自社会因素和语言因素。词义的演变和新词的增加是语言发展的突出表现。

Sociological triggers: Linguists have become increasingly aware of sociological causes for language change.

社会因素：语言学家们已经越来越意识到社会因素在语言变化中的作用。

As a general rule, language change is universal, continuous and, to a considerable degree, regular and systematic.

语言的变化是普遍的，连续的，在一定程度上也是规则的和系统的。

A new academic study of Internet Linguistics includes, at the very least, a comparative study of the style of different formats and the development of language change within these new media.

一个新的学术研究包括互联网语言学，最起码，比较研究不同格式的风格和语言的发展变化在这些新媒体。