Informative presupposition is due to the different language forms the speaker has adopted for sake of relevance of his utterance.

信息预设是说话者在话语交际过程中基于话语的关联性而对语句形式所作的处理。

youdao

It seems to choose elements at random. It brings in a whole wealth of different language forms such as Anglo-Saxon, Hindu, Welsh and, I think, Siberian Yupik as well.

它像是随意挑选的基本要素，又从盎格鲁撒克逊语系，印度语系，威尔士语系，西伯利亚尤皮克语系当中引入了大量的元素。

youdao

HTML is a programming language, too, and it has four different forms of escape sequence.

HTML也是一种编程语言，它有四种形式的转义序列。

youdao