Here are a few options for the WordPress post_tag description, catering to different needs:

**Option 1 (Concise & Informative):**

> **Description:** 211大學指的是中國大陸的一批重點大學，代表著較高的學術水平和研究實力。了解更多： [Insert a relevant link, e.g., to a list of 211 universities]

* **Explanation:** This option is brief, defining what “211大學” means and suggesting further exploration. It’s suitable for general categorization.

**Option 2 (More Detailed & Contextual):**

> **Description:** 211大學是指中華人民共和國的「211工程」重點建設高校。這些大學在學術研究、師資力量和校園設施方面均有出色表現，代表著中國高等教育的精英水平。此標籤用於文章討論與這些大學相關的主題，包括招生、學術發佈、校園生活等。

* **Explanation:** This option provides more context, explaining the “211工程” and highlighting the characteristics of these universities. It’s good if you want to give readers a deeper understanding. Suitable for articles that focus on specific aspects of the universities.

**Option 3 (Focusing on Article Content):**

> **Description:** 標記於討論中國211大學相關的文章。涵蓋了招生政策、學術研究、校園新聞、學生生活等主題。 如果你對這些重點大學感興趣，或是想了解其最新動態，請瀏覽標籤下的文章。

* **Explanation:** This option focuses on the content tagged with “211大學” and encourages readers to explore those articles. This works well to draw readers into your content if you will use the tag for many entries.

**Option 4 (Simple & Practical):**

> **Description:** 與中國211大學相關。 (Articles relating to Chinese 211 universities)

* **Explanation:** This is the most basic and functional option. It’s a good default if you don’t want to spend too much time crafting a detailed description.

**How to Choose:**

* **Your audience:** Consider who you’re writing for. Are they already familiar with the “211大學” concept, or do they need an introduction?
* **The nature of your content:** What kind of articles will be tagged with “211大學”? The description should reflect the topics you’ll be covering.
* **Purpose of the tag:** Are you using the tag for general organization, or to highlight a specific aspect of these universities?

**How to add the description in WordPress:**

1. Go to your WordPress dashboard.
2. Navigate to **Posts** > **Tags**.
3. Find the “211大學” tag in the list.
4. Click the **Edit** link under the tag’s name.
5. Look for a field labeled **Description**. (If you can’t find it for the tag, you may need to enable it on your WordPress theme. Typically you do this in the Theme Customizer under Advanced settings for tagging.)
6. Paste your chosen description into the Description field.
7. Click **Update**.

Remember to choose the option that best suits your needs and the content you are producing!