clear的名詞形式是：clearness

He spoke with clearness and certainty .
他說的明白確切。

Careful wording aids clearness .
措辭謹慎可使意義清楚。

Clearness of statement is more important than beauty of language .
表述清晰比用辭優美更重要。

She was strong, too, in the clearness of her conscience, in her devotion and in her happiness .
而且她的良心，她的犧牲精神，她的快樂，一切都在壯她的膽。

They had a clearness which was to be found nowhere in the wind, and a sequence which was to be found nowhere in nature .
這聲音清晰可聞，狂風根本發不出這種聲響，它的聲音抑揚入調，不是大自然的聲響。

It's difficult to find clearness in a sentence. 用clearness造句挺難的

Before me were the thick lips, fat cheeks, and squat nose standing out with startling clearness against that flaming background .
正對著我的是厚厚的嘴唇，豐滿的雙頰。在明亮的背景襯托下，那突出的粗短的鼻樑顯得格外清晰。

Also , there is high clearness satellite tv
另外，酒店還配製了高畫質晰度的衛星電影片道。

The three c ' s are ( 1 ) clearness , ( 2 ) conciseness , ( 3 ) courtesy
這三c就是清楚，簡潔，禮貌。

An image clearness method for fog
一種有霧天氣影象景物影像的清晰化方法

Clearness controls the oil to take off to shampoo
清爽控油防脫洗髮露

Clearness of statement is more important than beauty of language
敘述清楚比語言優美更重要。

However much he drank , his brain never lost its clearness
無論他喝多少酒，他從來不會喪失清醒的頭腦。

It should be drafted with the greatest precision and with absolute clearness
其應以最可能之精確與清晰的文字記載。

Clearness rather than loudness is often the main requirement in speaking
演講時，通常主要需要的是清楚而不是嗓門大。

The scene of the previous night now came back to his mind with startling clearness
前一天的情景極其清晰地浮現在他腦子裡了。

clearness（比較好記）clarity (使用更頻繁）兩者都是clear的名詞形式。

clarity：

n.清晰;清楚;明確;清晰的思維(或理解)能力;(畫面、物質或聲音的)清晰，清澈 擴充套件資料 

　　例句：

　　The style is marked by simplicity, clarity, and candor.

　　這種風格的特點是簡潔、清楚、直截了當。

　　He stated the market situation with astonishing clarity.

　　他極其清晰地陳述了市場行情

！clear的名詞形式是clearance，n. 稽核批准；（飛機起降的）許可，准許；間距，間隙；清理，清除；（足球等中使對方不能破門的）解圍；（銀行支票的）結算，兌現

Such enterprise general customs declaration quantity is big, customs clearance of goods always various, work more professional.