Here are a few options for the WordPress post_tag description, keeping in mind the title is “外國” (Wài Guó – literally “foreign country”) in Traditional Chinese:

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

> 探索世界其他地方！此標籤涵蓋與外國、國際事務、以及不同文化的相關內容。
>
> _Explore the rest of the world! This tag covers content related to foreign countries, international affairs, and diverse cultures._

* **Why it’s good:** Very general and suitable for a variety of posts. Easy to understand.

**Option 2 (More Specific, focusing on Travel):**

> 準備好你的護照！此標籤聚集了關於外國旅遊、文化體驗、以及世界各地的觀光景點的文章。
>
> _Get your passport ready! This tag gathers articles about foreign travel, cultural experiences, and tourist attractions around the world._

* **Why it’s good:** If your site heavily features travel content, this is a good fit.

**Option 3 (Emphasis on Culture and Interaction):**

> 了解世界，感受不同的文化！此標籤包含了與外國文化、生活方式、與不同國家之間的互動相關的文章。
>
> _Learn about the world and experience different cultures! This tag includes articles related to foreign cultures, lifestyles, and interactions between different countries._

* **Why it’s good:** Good for blogs focusing on cultural exchange, immigration, or understanding different societies.

**Option 4 (Simple and Direct):**

> 外國相關的一切。
>
> _Everything related to foreign countries._

* **Why it’s good:** Short, sweet, and gets the point across. Suitable if the content focus varies.

**Option 5 (Combining Information and Call to Action)**

> 想了解台灣以外的世界嗎？此標籤將帶您探索不同國家、文化、以及外國發生的事。 準備好拓展您的視野！
>
> _Want to learn about the world outside of Taiwan? This tag will take you on an exploration of different countries, cultures, and happenings abroad. Get ready to broaden your horizons!_

* **Why it’s good:** Encourages readers to click, creating a sense of wanderlust.

**How to choose the best option:**

* **Consider your blog’s focus:** Is it primarily travel, culture, news, or something else?
* **Think about your target audience:** What are they most interested in?
* **Keep it concise:** Tag descriptions should be relatively brief.
* **Translate well**: If you’re translating the description, ensure the translation is accurate and natural.

Remember to enter the description in the “Description” field for the tag within your WordPress admin panel. You can often find this in the Tag editing screen in the “Tags” section under “Posts.” Good luck!