“麦迪克”获数千万元Pre-A轮融资
Today’s puzzle is a new twist on a classic genre: the “common knowledge” hat riddle in which logicians deduce facts about their hats based on what they know, and what they know others know.
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Read more in the Antiviral series
30元一颗黑草莓、200元一斤手指柠檬、800元一个粉菠萝……春节期间，许多消费者发现，一批身价不菲的水果悄然现身电商平台。令人惊讶的是，不少商品已经显示“缺货”，说明不少人愿意为这份“新奇”买单。