Here are a few options for the `post_tag` description “飛機”, taking into account different levels of detail and potential SEO considerations:

**Option 1: Simple and Direct**

* **Description:** 關於飛機的文章標籤。 (Articles tagged with “airplane.”)

* **Why this works:** Simple, clear, and provides a basic context.

**Option 2: Slightly More Descriptive**

* **Description:** 此標籤收錄有關飛機、航空、飛行、以及相關技術和產業的文章。 (This tag includes articles related to airplanes, aviation, flight, and related technologies and industries.)

* **Why this works:** More comprehensive, covering relevant keywords for SEO.

**Option 3: Focusing on Usage (if applicable)**

* **Description:** 使用此標籤可以快速找到關於飛機、航空運輸、客機、軍機、以及飛機相關的文章。 (Use this tag to quickly find articles about airplanes, air transport, passenger aircraft, military aircraft, and aircraft-related topics.)

* **Why this works:** Highlights the value of the tag to the user, and provides specific examples of content covered.

**Option 4: Concise and SEO-focused**

* **Description:** 飛機相關文章，包括航空、飛行、飛機設計、歷史等。 (Articles related to airplanes, including aviation, flight, airplane design, history, etc.)

* **Why this works:** Combines brevity with relevant keywords.

**Choosing the best option depends on your specific needs:**

* **If you need a very brief explanation:** Choose Option 1 or 4.
* **If you want to be comprehensive and cover various aspects:** Choose Option 2 or 3.
* **If you want to highlight the user’s benefit in using the tag:** Choose Option 3.

Remember to adjust the description to align with the specific content of your blog and the type of articles you tag with “飛機”.