return re.sub(r"\s+", " ", node.get_text(" ", strip=True)).strip()
Less can be more in chats
，详情可参考im钱包官方下载
“Assume anything messaged can be forwarded and be especially cautious of work chats (however informal they appear),” Wesson said. “As countless people have discovered at employment tribunals, any diversion into anything indecorous can be career limiting.”，详情可参考旺商聊官方下载
Manjit Sangha wants to raise awareness around sepsis after leaving hospital following seven months of treatment
3. 递归：对左右子数组递归执行1-2步