We are so glad you joined us. See also frequently asked questions (FAQ).
快速入門，看看 沉淀 内容
交大門
交大人的自由交流平台 open, non-commercial and user-friendly
Here are some things you can do to get started:
Introduce yourself by adding your picture and information about yourself and your interests to your profile. What is one thing you’d like to be asked about?
Get to know the community by browsing discussions that are already happening here. When you find a post interesting, informative, or entertaining, use the 
to show your appreciation or support!
Contribute by commenting, sharing your own perspective, asking questions, or offering feedback in the discussion. Before replying or starting new topics, please review the Community Guidelines.
If you need help or have a suggestion, feel free to ask in #feedback or contact the admin / mod.
只有 門 一个字是。因为 交、大 两个字都挺对称的，門 比 门 要更对称些，所以用 門。
