Here are a few options for the WordPress post_tag description, with varying levels of detail and purpose:

**Option 1 (Concise & SEO-focused):**

> **貓糖尿病原因**：了解貓咪患上糖尿病的常見原因，包括飲食、基因和生活環境。

* **Translation:** “Cat Diabetes Causes: Learn about common reasons why cats develop diabetes, including diet, genetics, and lifestyle.”
* **Purpose:** Short, keyword-focused description for SEO.

**Option 2 (Slightly more informative):**

> **貓糖尿病原因**：探索影響貓咪糖尿病的各種因素，例如高糖飲食、肥胖、遺傳傾向和某些疾病。了解如何幫助你的愛貓降低患病風險。

* **Translation:** “Cat Diabetes Causes: Explore various factors that influence cat diabetes, such as high-sugar diets, obesity, genetic predisposition, and certain diseases. Learn how to help your beloved cat reduce the risk of illness.”
* **Purpose:** Provides a slightly more comprehensive overview of common causes, and hints at preventative measures.

**Option 3 (Emphasis on Prevention and Seeking Help):**

> **貓糖尿病原因**：深入解析導致貓咪罹患糖尿病的關鍵原因，並探討如何透過飲食調整、定期運動和定期檢查來預防。若您的貓咪出現相關症狀，請及時尋求獸醫協助。

* **Translation:** “Cat Diabetes Causes: Analyze the key causes that lead to cat diabetes, and explore how to prevent it through diet adjustments, regular exercise, and regular check-ups. If your cat shows relevant symptoms, please seek veterinary help promptly.”
* **Purpose:** Strong focus on preventative measures and emphasizing the importance of veterinary care.

**Option 4 (More general and broad):**

> **貓糖尿病原因**：本標籤涵蓋了與貓咪糖尿病相關的文章，包括其成因、症狀、診斷和治療方法。

* **Translation:** “Cat Diabetes Causes: This tag covers articles related to cat diabetes, including its causes, symptoms, diagnosis, and treatment methods.”
* **Purpose:** A very general description that is suitable if this tag contains a variety of related content.

**How to choose the best option:**

* **Consider your target audience:** Are you aiming for informational content or practical advice?
* **What is the overall tone of your blog?** Professional, friendly, or informative?
* **How many other related tags are there?** Choose descriptions to avoid overlap if possible.
* **Prioritize your keywords:** “貓糖尿病原因” (cat diabetes causes) is the core keyword. Include other relevant ones.

I recommend choosing option 2 or 3, as they provide a good balance of information and usefulness.