字段名稱只能包含字母 、 數(shù)字或下劃線字符.Field names can contain only letters, numbers, or the underscore character.鏈接的顏色應(yīng)該與網(wǎng)頁中其它文本的顏色有個(gè)清晰的對(duì)比, 最好是使用下劃線.Use a clearly contrasting colour for links, and preferably underline them.至少在一行中有并發(fā)沖突. ...