rn false;">QuestionTagAssociation</a>></td>
			<td colspan="2">问题标签关联集合</td>
		</tr>
		<tr> 
			<td>content</td> 
			<td>String</td>
			<td>问题内容</td>
		</tr>
		<tr> 
			<td>summary</td> 
			<td>String</td>
			<td>内容摘要</td>
		</tr>
		<tr> 
			<td>postTime</td> 
			<td>Date</td>
			<td>发表时间</td>
		</tr>
		<tr> 
			<td>lastAnswerTime</td> 
			<td>Date</td>
			<td>最后回答时间</td>
		</tr>
		<tr> 
			<td>lastUpdateTime</td> 
			<td>Date</td>
			<td>最后修改时�