当历史无法给你答案时，向地理寻求借鉴

Sitemap

站点地图

Open in app

在应用中打开

Sign in

登录

<svg xmlns="http://www.w3.org/2000/svg" width="719" height="160" fill="none" aria-labelledby="wordmark-medium-desc" viewBox="0 0 719 160" class="ar as at">Medium Logo

<svg xmlns="http://www.w3.org/2000/svg" width="719" height="160" fill="none" aria-labelledby="wordmark-medium-desc" viewBox="0 0 719 160" class="ar as at">Medium Logo

[

[

Write

写作

](https://medium.com/m/signin?operation=register&redirect=https%3A%2F%2Fmedium.com%2Fnew-story&source=---top_nav_layout_nav-----------------------new_post_topnav------------------)

](https://medium.com/m/signin?operation=register&redirect=https%3A%2F%2Fmedium.com%2Fnew-story&source=---top_nav_layout_nav-----------------------new_post_topnav------------------)

[

[

Search

搜索

](https://medium.com/search?source=post_page---top_nav_layout_nav-----------------------------------------)

](https://medium.com/search?source=post_page---top_nav_layout_nav-----------------------------------------)

Sign in

登录

500

500

Apologies, but something went wrong on our end.

抱歉，我们这边出了点问题。

Refresh the page, check Medium's site status, or find something interesting to read.

刷新页面，检查Medium的站点状态，或找些有趣的内容阅读。