A mass mailing (or mail virus) that greatly increases your message workload.
显著增加消息工作负载的大量邮件投递(或邮件病毒)。
Unless mail is obviously mass-produced, it should be deemed worthy of a reply.
除非是那些大量散发的邮件，每一邮件都值得予以回复。
Unless mail is obviously mass-produced, it should be deemed worthy of a reply.
除非是那种大批量的邮件，否则每一封都应该回复。
Unless mail is obviously mass-produced, it should be deemed worthy of a reply.
除非是那种大批量的邮件，否则每一封都应该回复。
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