<div class="one">aaaaaaaaaa </div>
<div class="one">bbbbbbbbbb </div>
<div class="one">ccccccccccc </div>
<span style="clear: both">
THIS SHOULD BE BELOW TABLE. WHY NOT?
.one {
background-color: red;
float: left;
}
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为什么这个例子仍然是浮动的?我怎样才能使用clear:both?