Here are a few options for a WordPress post_tag description for “排氣” (Pái qì) in Traditional Chinese, catering to different needs and levels of detail:

**Option 1: Concise & Helpful**

* **Description:** 與「排氣」主題相關的文章。包括汽車或工業排出的氣體，以及其他形式的排放。 (Articles related to “Pai Qi”. Includes exhaust from cars or industry, and other forms of emissions.)

* **Why it works:** Direct, clear, and covers common applications of the term.

**Option 2: Slightly More Detailed (Focus on practical applications):**

* **Description:** 標記與「排氣」相關的文章，例如汽車廢氣、工業排放、廚房油煙或其他形式的氣體排放。 (Tag for articles related to “Pai Qi”, such as car exhaust fumes, industrial emissions, kitchen fumes, or other forms of gas emissions.)

* **Why it works:** Broadens the scope to give readers a better idea of what they might find.

**Option 3: More Technical and Specific (If you’re dealing with complex topics):**

* **Description:** 與「排氣」相關的文章，探討氣體由封閉區域或系統被釋出的過程。可能包括排放物的組成、排放標準、或排放控制策略。 (Articles related to “Pai Qi,” exploring the process of releasing gases from enclosed areas or systems. May cover the composition of emissions, emission standards, or emission control strategies.)

* **Why it works:** Suits more technical blog content, explaining potential subjects in greater depth.

**Option 4: Short and Sweet (If you want simplicity):**

* **Description:** 關於「排氣」的主題。 (About the topic of “Pai Qi.”)

* **Why it works:** The simplest option. Might be sufficient if the topic is already clear from the post title.

**Which option should you choose?**

Consider these factors when choosing a description:

* **Your Audience:** Are your readers generally technical, or non-technical?
* **The content on your blog:** What types of posts are you typically tagging with “排氣”?
* **SEO:** Keep an eye on how keywords such as “排氣”, “廢氣”, “排放” perform and adjust the desctiption accordingly.
* **Other tags:** Ensure the description clearly differentiates this tag from other related tags you may use (e.g. 廢氣, 污染).

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

1. **Go to Posts > Tags** in the WordPress admin panel.
2. Find the “排氣” tag in the list.
3. Click the “Edit” link under the tag name.
4. Look for the “Description” field. *(If you don’t see it, you might need to enable it in “Screen Options” at the top right of the page – check the “Description” box.)*
5. Enter your chosen description.
6. Click the “Update” button.