view主要指视角.比如你看某物的角度大小.例如：很好的看到什么：have a good view of sth.
sight主要指人的视力.例如：看电视对我的视力有害：Seeing too much TV is bad for my eye sight.
sence主要指自然景观.或者是scenery.例如：海南的风景很好：The sence in Hainan is really beautiful.