你说你英文好,那么,阅读一下WIKI的歧视的定义:
Discrimination is the act of making unjustified distinctions between people based on the groups, classes, or other categories to which they belong or are perceived to belong。
为了帮助你阅读,这里附上google翻译:歧视是根据人们所属或被认为属于的群体、阶级或其他类别对人们进行不合理区分的行为。