"Modern picture book" as an emerging form of books, the academic establishment and interpretation of the name because of subject matter, content, expressions, means of communication, audience, etc.

“现代绘本”作为一种新兴的图书形式，其学术名称的确立与释义因题材、内容、表现形式、传播方式和受众群体等方面的独特性而极具争议性。

youdao

On Tuesday we'll turn to a more specific subject matter: hermeneutics, what hermeneutics is, how we can think about the nature of interpretation.

周二我们会讲到一个更具体的问题：,即解释学，解释学是什么，我们该如何看待解释学的本质。

耶鲁公开课 - 文学理论导论课程节选

He said the subject of pain in crustaceans was "controversial" and a matter of data interpretation.

BBC: Further evidence crabs and other crustaceans feel pain