communities retain users

excerption 英[ek'sɜːpʃən] 美[ek'sɜːpʃən] n.选录,抄录,精华录 pear tree fruit fly 梨树果实蝇 scallop bone 扇贝骨 chinese mitten crab viral nervous necrosis 河蟹病毒性神经坏死病 domestic amount 国内金额 marine microcredit trust 海洋小额信贷信托 delinquent merchant 拖欠商户 marine scheme benefit 海上方案保险金 export proceeds leverage 出口收汇杠杆 withdrawn live broadcast 撤回直播 co-op iap monetization 组队内购变现 anthology 70mm print 选集70毫米拷贝 vietnamese new-wave 越南新浪潮 fan-made doujin artist 同人同人画师 sci-fi collab 科幻联动 virtual-currency business 虚拟货币业务 authenticated mended 已鉴定修补 visa-free policy announcement local election 免签政策发布地方选举 domestic cac 国内CAC值 flood damage national data 水灾损失全国数据 lecture official championship 讲座官方冠军赛 car brake squeaking mobile warranty 刹车异响上门保修 car tire flat licensed rooting 轮胎瘪持证root command strip insurance customization command strip保险定制 phone not turning on semi permanent rating 手机不开机半永久评分 tv no sound same day rooting 电视无声音当日root washer not spinning temporary patch 洗衣机不脱水临时补丁