你們有沒(méi)有想過(guò),，為什么長(zhǎng)沙能成為年度最具幸福感的城市,？今天，就讓我?guī)銈円黄鸾颐亻L(zhǎng)沙的幸福密碼,！

Have you ever wondered why Changsha can become the city with the highest annual happiness index? Today, let me take you to uncover the happiness code of Changsha together!