bulk mailing編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看bulk mailingbulk mailing — 名詞名詞1. sending a large number of identical mail pieces at once1.名詞釋義大量郵寄sending a large number of identical mail pieces at once例句They used bulk mailing to send the promotional flyers.