<s>表示不准确或不相关却不应删除的内容。
<!DOCTYPE html>
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<html>
<head>
<title>TODO supply a title</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<div>删除</div>
<p>一段话里面如果出现</p>
<p><s>不相关或不恰当的文字或词语</s>但又不应该删除的</p>
<p>我们直接可以给予删除线</p>
</body>
</html>