The trend can be attributed to both exterior and interior factors, like the users cognition and psychology, principle of economy, language change and language contact.

俄语的分析化发展趋势是语言内外因素共同作用的结果，与使用者认知心理的变化、语言演变的经济原则和语言接触等因素有关。

youdao

Language change is an important result of cultural contact and cultural contact is a major part of language contact.

语言发生变化是文化接触的一个重要结果，而文化接触则是语言接触的主要部分。

youdao