知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 . Swift then dated fellow singer-songwriter John Mayer for a short period starting in late 2009; he’s regarded as the inspiration for her song “Expensive John.” Swift’s longest romantic relationship to this point was with actor Joe Alwyn. The pair met with the 2016 Achieved Gala and https://www.instagram.com/tantramantraaurvigyaan/