While this book is very well-organized as a reference, a good number of the descriptions left me uncertain about occasional subtleties of the language.

虽然作为参考这本书组织得很好，但有许多描述仍让我无法确定语言中那些偶尔的微妙之处。

youdao

And the reference material studied about material language practice is very limited.

而对材料语言实践研究的参考资料更是十分有限。

youdao

And the reference material studied about material language practice is very limited.

而对材料语言实践研究的参考资料更是十分有限。

youdao