Here are a few options for a WordPress post tag description, catering to different styles:

**Option 1: Direct & Explanatory**

* **Title:** 國外學習 (Guówài xuéxí – Studying Abroad)
* **Description:** 標記有關在國外學習的文章，涵蓋各種留學、交換、遊學經驗分享，以及國外生活、文化體驗。 (Tags articles related to studying abroad, including experiences of all kinds of studying abroad/exchange programs/educational trips, and sharing of life & cultural experiences overseas.)

**Option 2: Focus on Content Focus**

* **Title:** 國外學習 (Guówài xuéxí – Studying Abroad)
* **Description:** 探索各國學習新知、體驗文化衝擊！在這裡找到留學、遊學攻略，以及國外生活點滴。(Explore learning new knowledge in different countries, and experience culture shock! Find studying abroad/educational trip guides here, and snippets of life overseas.)

**Option 3: Benefit-driven**

* **Title:** 國外學習 (Guówài xuéxí – Studying Abroad)
* **Description:** 想拓展視野，提升國際競爭力嗎？ 這裡匯集了關於國外學習的寶貴資訊，幫助你做好留學準備，提升學習效率，享受精彩的海外生活。(Want to broaden your horizons and enhance your global competitiveness? This tag gathers valuable information on studying abroad, helping you prepare, improve your learning efficiency, and enjoy a wonderful life overseas.)

**Option 4: Concise and Broad**

* **Title:** 國外學習 (Guówài xuéxí – Studying Abroad)
* **Description:** 留學、交換、遊學，國外學習相關資訊。(Studying abroad, exchange programs, educational trips – Information related to studying abroad.)

**Key Considerations When Choosing:**

* **Your Blog’s Target Audience:** Who are you writing for? (e.g., Students, Parents, Professionals…)
* **Content Focus:** What kind of content do you write about related to studying abroad? (e.g., application tips, cultural experiences, living expenses…)
* **Keywords:** Consider including relevant keywords (e.g., 留學 – liúxué (studying abroad), 交換 – jiāohuàn (exchange program), 遊學 – yóuxué (educational trip), 文化 – wénhuà (culture)).
* **Brevity:** Keeping it concise is generally better for readability and SEO.
* **Tone:** Match the tone of your blog. Is it formal, friendly, or informative?

Remember to choose the description that best fits your blog’s subject matter, audience, and overall style. You can adjust these examples to suit your needs. Good luck!