1.hence作“从此时起,从此处”解时不与from连用。
2.hence作“因此,所以”解时常可用therefore, consequently代替。
3.hence可用在句中或句末,也可直接修饰名词。

The sports meet will be held three days hence.运动会在三天后举行。
The university town is two miles hence.大学城离此处还有两英里。
It's handmade and hence expensive.这是手工做的,因此很贵。
He grew up in Beijing, hence his strong interest in Beijing Opera.他长在北京,因此对京剧有很浓厚的兴趣。

hence, accordingly, consequently, so, then, therefore, thereupon, thus
参见accordingly条。

在美式英语里, hence也可用作名词,意思是“另一个世界”。例如:
He is now in golden hence.他现在已在极乐世界。

［同义词］   accordingly, therefore, thus
［词源］＜中古英语hennes(从此,今后)