Here are a few options for the description of a WordPress post_tag titled “貓過世原因”, in Traditional Chinese, catering to different levels of detail and emphasis:

**Option 1 (Concise and General):**

貓咪離世的原因，探討常見的貓咪過世原因，包括疾病、意外等。

* **Translation:** The causes of cat deaths, exploring common reasons for cats passing away, including illnesses, accidents, and more.
* **Use case:** Good for general searches, broad topic.

**Option 2 (More Informative):**

了解貓咪過世的可能原因，包含疾病、老年退化、意外事故、以及如何預防和應對。

* **Translation:** Understanding the possible reasons why cats pass away, including diseases, age-related decline, accidental injuries, and how to prevent and cope with them.
* **Use case:** More informative, suggesting solutions/actions.

**Option 3 (Focus on Grief and Support):**

貓咪過世原因，以及伴隨失去寵物的哀傷。提供相關資訊及協助，希望幫助您度過艱難的時刻。

* **Translation:** The reasons for cat deaths, and the grief associated with the loss of a pet. Providing relevant information and assistance, hoping to help you through this difficult time.
* **Use case:** Sympathetic, focusing on the emotional experience and offering support.

**Option 4 (Technical and Medical Focus):**

針對貓咪過世原因的醫學分析，包括疾病的診斷、治療和預防，以及環境因素的影響。

* **Translation:** A medical analysis of the causes of cat deaths, including disease diagnosis, treatment, and prevention, as well as the influence of environmental factors.
* **Use case:** Good for veterinarians, or those seeking specific, technical information.

**Choosing the Best Option:**

* Consider your blog’s overall tone and audience. Are you trying to provide general information, offer emotional support, or delve into technical details?
* Think about the content of the posts tagged with this term. What kind of information will they contain?
* The best option is the one that most accurately and concisely describes what the content is about.

I recommend using **Option 2** if you want a good balance of information and approachability. You can adapt it further if you like, e.g., modifying the list of possible causes mentioned for better accuracy.