[求助]大家帮我看看这段代码那不标准？

<td class="thead">&</td>
<td class="thead" width="100%" align="$stylevar[left]">$vbphrase[forum]</td>
<td class="thead" width="175" nowrap="nowrap">$vbphrase[last_post]</td>
<td class="thead" width="100" nowrap="nowrap">$vbphrase[threads]</td>
<td class="thead" width="100" nowrap="nowrap">$vbphrase[posts]</td>
<if condition="$vboptions['showmoderatorcolumn']">
<td class="thead" width="100" nowrap="nowrap">$vbphrase[moderator]</td>