Here are a few options for a WordPress post_tag description for “郵輪上飲用水” in Traditional Chinese, ranging from simple to more detailed:

**Option 1 (Simple & Concise):**

> 郵輪上飲用水相關資訊。

**(Translation: Information related to drinking water on cruise ships.)**

**Option 2 (Slightly More Informative):**

> 瞭解郵輪上的飲用水供應、水質及注意事項。

**(Translation: Learn about drinking water supply, water quality, and things to note on cruise ships.)**

**Option 3 (Focus on Safety & Health):**

> 確保郵輪旅程中飲用水的安全與健康，包括選擇、水質檢測與飲用建議。

**(Translation: Ensuring the safety and health of drinking water during your cruise journey, including choices, water quality testing, and drinking recommendations.)**

**Option 4 (Broader Scope – for a comprehensive blog):**

> 探索郵輪假期中飲用水的重要議題。 包括水質、飲用水的來源、安全提示，以及如何確保您在航行中的健康。

**(Translation: Explore important issues related to drinking water on cruise vacations. Includes water quality, the source of drinking water, safety tips, and how to ensure your health while sailing.)**

**Which one to choose?**

* **If the tag is for a specific post:** Choose Option 1 or 2 to keep it brief and relevant.
* **If the tag is used across multiple posts about varied topics:** Choose Option 3 or 4 for broader search optimization and user understanding.
* **Consider your target audience:** Are they particularly concerned with health and safety? Then options 3 or 4 will resonate more.

When entering this into WordPress, simply type the chosen description into the “Description” field of the tag. You can also add the Tag’s short code like a link to the tag itself if desired.