isn't

I mean that all glitters is not gold.

我是, 不是所有闪光的东西都是金子。

"Sayable" is one dimension of expressible thought;"unsayable" expresses what is not "sayable" dimension of thought.

""是语言表思维的一维度,而"不"表""思维之外的其他维度。"

The desk is not two feet high.

这张书桌不到两英尺高。

He didn’t flunk out,but his record isn’t so hot.

他有不及格,但成绩很一般。

Religion is a diffuse topic liable to unending disputation whereas theism is not.

宗教是一容易引起无休止争论的弥散型话题，而有神论则不是。

Don't waste the flour; there isn't much.

不要浪费面粉，有多少了。

It is not the fashion to (do)...

现在不时兴了。

The Earth is not a perfect sphere.

地球并不是一完全的球体。

These (not this ) kinds of films are (not is ) popular.

These（不是 this ） kinds of films are （不是 is ） popular。

That offence is not justiciable in a federal court.

那种违法行为不在联邦法院受理范围内。

The emolument of this profession is not satisfactory.

此行业的报酬不令人满意。

Thirteen is not divisible by any even number. 13

不能被任何偶数除尽。

This top fermented Trappist beer, refermented in the bottle, is not pasteurised.

这院啤酒，在瓶里再发酵的，无用巴氏法灭菌。

A large income is not necessary for the full enjoyment of life.

要生活得十分愉快不一定要有高收入。

The house isn’t mine until I’ve signed on the dotted line.

只有我签了字这所房子才归我。

There is not among them an esquire, saving the unlettered magistrate.

他们当中除了那目不识丁的执事，有一乡绅。

It is not a sign of humility to declaim against pride.

慷慨激昂地攻击傲慢,并非谦逊的标志。

I always use my clients' products. This is not toadyism but elementary good manners.

我总是用客户的产品。这并不是谄媚奉承，而是良好的基本态度。

This dough isn't wet enough to bind properly.

这面团不够湿，粘不到一块儿。

There is not much fear of that.

那件事不大有能发生。