Evidential describes something that can be used as evidence, or that has to do with evidence — a paper, a recording, a fact that could support a claim in court or in a serious argument. It is a formal, mostly legal or academic adjective; ordinary people say that's evidence rather than that's evidential.

Evidential evidential describes描述 something某個東西 that can be used可以被用來 as evidence當作證據, or或 that has to do with跟證據有關 evidence evidence — a paper一份文件, a recording一段錄音, a fact一個事實 that could support可以支持 a claim一個主張 in court在法庭上 or或 in a serious argument在嚴肅的辯論裡. It它 is是 a formal, mostly legal or academic adjective一個正式、多半是法律或學術用的形容詞; ordinary people一般人 say會說 that's evidence那是證據 rather than而不是 that's evidential那是evidential

Though actually, it is not the same as evident. Evident means clear, easy to see. Evidential means of the kind that can prove something, even if it is not obvious at all.

Though actually不過事實上, it它 is not一樣 the same as跟evident不一樣 evident evident. Evident evident means意思是 clear, easy to see清楚、容易看見. Evidential evidential means意思是 of the kind那種 that can prove something可以證明某件事的, even if即使 it它 is not obvious一點都不明顯 at all

In language study, some teachers also use evidential as a noun for a small grammar marker that shows how the speaker knows something (saw it, heard it, was told it). That use is specialist; the meaning you will meet first is the adjective about evidence.

In language study在語言學習裡, some teachers有些老師 also use也把 evidential evidential as a noun當名詞用 for一種小型的文法標記 a small grammar marker指的是, that shows顯示 how說話者 the speaker knows something怎麼知道某件事的 (saw it看到, heard it聽到, was told it被告知). That use這種用法 is specialist是專業的; the meaning意思 you will meet first你會先遇到的 is是 the adjective那個形容詞 about evidence關於證據的