任何人都可以向我解释为什么当我设置lang="ar"字体系列选择 sans-serif字体时,lang="en"它选择的时候Open Sans.
<html lang="ar">
<head>
<link href="https://fonts.googleapis.com/css?family=Open+Sans|Roboto" rel="stylesheet">
</head>
<body style="font-family: 'Open Sans', sans-serif;">
?????? ?????
</body>
</html><html lang="en">
<head>
<link href="https://fonts.googleapis.com/css?family=Open+Sans|Roboto" rel="stylesheet">
</head>
<body style="font-family: 'Open Sans', sans-serif;">
?????? ?????
</body>
</html>