▲ 图｜Tim’s Guide
Support the Guardian: theguardian.com/sciencepod。业内人士推荐旺商聊官方下载作为进阶阅读
。业内人士推荐服务器推荐作为进阶阅读
The bigger they come, the slower they move，详情可参考51吃瓜
Use your own reasoning. Don't stop even if the formula is too large just try to solve it manually.