[9.1 营销中心](%E8%90%A5%E9%94%80%E4%B8%AD%E5%BF%83.md) [9.2 微信投票活动](%E5%BE%AE%E4%BF%A1%E6%8A%95%E7%A5%A8%E6%B4%BB%E5%8A%A8.md) [9.3 优惠券/优惠吗](%E4%BC%98%E6%83%A0%E5%88%B8-%E4%BC%98%E6%83%A0%E5%90%97.md) [9.4 满减满送](%E6%BB%A1%E5%87%8F%E6%BB%A1%E9%80%81.md) [9.5 限时促销](%E9%99%90%E6%97%B6%E4%BF%83%E9%94%80.md)