common knowledge可數(shù)嗎

　　Darwin took the tiniest step beyond common knowledge。

　　達(dá)爾文只比常識(shí)進(jìn)步了一小步。

　　This is common knowledge and there's no disputing it。

　　這是常識(shí)而且沒有任何爭(zhēng)議。

　　It is common knowledge that the earth moves around the sun。

　　地球繞著太陽轉(zhuǎn)是常識(shí)。