He feels differently.此句中feel是实意动词,而不是系动词.feel既可作为实意动词,也可用作系动词.比如：I feel comfortable.此时feel就是系动词 Ice and snow feel cold.也是系动词.比如：I feel as if it were going to snow.我觉得好象要下雪了.此时feel是实意动词.
意思为:"感到不同"