疯狂星期六，烧了多少钱？

Group 1 - The core viewpoint of the article highlights the initiation of a new round of competition in the food delivery sector, particularly between Meituan and Taobao Flash Purchase starting from July 5 [1] Group 2 - In the past two weekends, both platforms have significantly issued "0 yuan delivery" coupons and discount red envelopes to stimulate order volume growth [2] - On July 12, Meituan's subsidy amount ranged from 300 million to 400 million yuan, while Taobao Flash Purchase's subsidy exceeded 1.2 billion yuan [2] - During the recent two weeks, Taobao Flash Purchase's weekday subsidy averaged around 400 million yuan per day [2]