If the subject line of the email is irrelevant to customers, they will ignore it multiple times. But, if it keeps repeating, they are intercepted and unsubscribed from your emails. So, send relevant emails for the benefit of the customer. Don't send emails that often only focus on sales, offers and discounts.
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2024年12月23日 星期一 新京报，详情可参考同城约会
2024年12月23日 星期一 新京报