1、先领零售券包，越大越便宜
https://tb.ele.me/wow/z/uniapp/1100497/ad-miniapp/et-union/home?wh_weex=true&weex_mode=dom&channelInfo={“subSubChannel”:”miniapp.taobao.et”}&alsc_exsrc=ES0007485972&o2i_1st_clk=__CLICK_ID__&scene=cdcc42c264934ba990fab4f5696c1859
淘宝闪购搜：20220
2、淘宝闪购搜猫超进店，如图9.9的唇膏包邮，第一步弹的券比9.9大，就凑单，最后可以带一个0.01
