180204 为什么这套书那么快就售罄了

<p style="font-size:16px;color:#333333;line-height:30px;font-family:Helvetica,Arial,sans-serif;font-weight:normal;text-align:justify;hyphens:auto" data-flag="normal" lang="en">书的信息请参考：</p><p style="font-size:16px;color:#333333;line-height:30px;font-family:Helvetica,Arial,sans-serif;font-weight:normal;text-align:justify;hyphens:auto" data-flag="normal" lang="en">https://mp.weixin.qq.com/s/iJOnuUaPaxENa-UcGqGpsg</p>