Here are a few options for the WordPress post_tag description, catering to different levels of detail and emphasis, all in Traditional Chinese:

**Option 1 (Simple & Direct):**

* **Description:** 七個半小時，指的是時間。
* (**Translation:** Seven and a half hours, referring to a duration of time.)

**Option 2 (Slightly More Informative):**

* **Description:** 描述文章內容與七個半小時相關的主題或事件。
* (**Translation:** Describes the content of articles related to the topic or events of seven and a half hours.)

**Option 3 (Focus on Practicality):**

* **Description:** 使用這個標籤來快速查找文章，內容與七個半小時相關，可能包含工作時長、旅行時間、會議等等。
* (**Translation:** Use this tag to quickly find articles related to seven and a half hours, possibly encompassing work hours, travel time, meetings, etc.)

**Option 4 (Emphasis on the Value of Time):**

* **Description:** 關於七個半小時的思考、討論或資訊，提醒我們如何善用時間。
* (**Translation:** Thoughts, discussions, or information about seven and a half hours, reminding us how to make good use of time.)

**Which one to choose?**

* **If you want the simplest, most general description:** Option 1.
* **If you want to hint at the type of content the tag relates to:** Option 2 or 3.
* **If your articles often explore the meaning and value of time:** Option 4.

Make sure to tailor the description to the specific content of the posts you’ll be tagging with “七個半小時.” Good luck!