Here are a few options for a description for the WordPress post_tag “悠遊付” in Traditional Chinese, ranging in specificity and focus:

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

> 悠遊付 (Easy Wallet) 相關資訊，包括使用方法、優惠活動、合作商家等。

* **Translation:** Information related to Easy Wallet (悠遊付), including usage instructions, promotional offers, and partner merchants.
* **Good for:** Broad categorization of relevant content.

**Option 2 (Focus on User Understanding):**

> 深入了解悠遊付，一種方便、快速的電子支付方式。輕鬆掌握悠遊付的使用技巧、最新優惠，以及哪些商家接受悠遊付付款。

* **Translation:** Deep dive into Easy Wallet, a convenient and fast electronic payment method. Easily grasp the usage tips, latest promotions, and which merchants accept Easy Wallet payments.
* **Good for:** Informational content and attracting users seeking how-to guides.

**Option 3 (Marketing Focused):**

> 盡情享受悠遊付帶來的便利生活！掌握最新悠遊付優惠，探索更多合作商家，體驗無現金支付的樂趣。

* **Translation:** Enjoy the convenient life that Easy Wallet brings! Get the latest Easy Wallet promotions, explore more partner merchants, and experience the joy of cashless payments.
* **Good for:** Driving engagement and promoting the benefits of using Easy Wallet.

**Option 4 (Slightly Technical):**

> 關於 iPASS MONEY (悠遊付) 的文章集合。涵蓋註冊、儲值、轉帳、消費、安全措施，以及常見問題解答。

* **Translation:** A collection of articles about iPASS MONEY (Easy Wallet). Covers registration, top-up, transfers, spending, security measures, and frequently asked questions (FAQs).
* **Good for:** Providing a detailed overview for users who want to troubleshoot or learn the specifics.

**To choose the best option for your needs, consider:**

* **What kind of content will primarily use this tag?** (How-to guides? News? Promotions?)
* **Who is your target audience?** (Tech-savvy users? General public?)
* **What is the primary goal of using this tag?** (Categorization? User engagement? SEO?)

Remember to use the style of your WordPress site also. Consider adding keywords relevant to your content, like “iPASS MONEY,” “electronic payment,” “cashless payment” for SEO. You can also modify these suggestions to fit your needs. Good luck!