:when considering (a particular quality):with regard to (something)关于；就…而言
The two painters differ greatly in point of skill. [=the level of their skill is very different]这两位画家就技法而言差别很大。
Some people think that all fat is unhealthy to eat when, in point of fact [=in truth, in actuality], some types of fat are good for you.有人认为所有脂肪都是不利于健康的，而事实上，有些脂肪对身体是有好处的。