self.writer = csv.DictWriter(
三年研发之路，资金问题始终是悬在头顶的利剑。即便如此，波波不想找外部投资，也不愿预支发行的预付款，她始终觉得“拿人手短，会失去创作的自由”。，详情可参考WPS官方版本下载
，详情可参考51吃瓜
the preposition mid
Sales started slow — some days, nothing at all. Then, almost like magic, orders began trickling in. Friends and family jumped in to help pack and fulfill them. Everyone who tried the product loved it and left glowing reviews on our website. Most became repeat customers. We officially launched in November, and it took a couple of months to hit our stride. As of January 2026, we’re averaging $12,000 per month in sales.，这一点在WPS下载最新地址中也有详细论述