Here are a few options for the description of a WordPress post tag named “Apple Pay” in Traditional Chinese, ranging in style and length:

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

> 關於 Apple Pay 的文章和資訊。了解如何在台灣使用 Apple Pay 付款，以及相關的最新消息、教學與優惠。
>
> (Articles and information related to Apple Pay. Learn how to use Apple Pay for payments in Taiwan, plus the latest news, tutorials, and promotions.)

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

> 整理關於 Apple Pay 的文章，包括使用方法、安全性、適用銀行、商家支援、常見問題解答等等。幫助您更深入了解 Apple Pay，並享受便捷的支付體驗。
>
> (Curated articles about Apple Pay, including how to use it, security aspects, supported banks, merchant support, FAQ, and more. Helping you understand Apple Pay more deeply and enjoy a convenient payment experience.)

**Option 3 (Focus on Benefits):**

> 探索 Apple Pay帶來的便捷支付體驗。這裡分享Apple Pay的最新資訊、優質優惠、使用教學，以及安全性分析，讓您輕鬆享有快速、安全的線上以及實體商店付款方式。
>
> (Explore the convenient payment experience brought by Apple Pay. Here, we share the latest information about Apple Pay, great promotions, usage tutorials, and security analysis, allowing you to easily enjoy fast and secure online and physical store payment methods.)

**Option 4 (Simplified and Keyword-focused):**

> Apple Pay 相關文章，包括 Apple Pay 使用、教學、優惠、安全性、台灣可用銀行、支付方法。
>
> (Apple Pay related articles, including Apple Pay usage, tutorials, promotions, security, available banks in Taiwan, and payment methods.)

**Which option to choose depends on your audience and the overall style of your website:**

* **Option 1 & 4:** Good for a quick overview and effective keyword targeting.
* **Option 2 & 3:** Provide more context and are suitable for websites aiming to provide in-depth information.

Remember to choose the one that best fits your website’s tone and the kind of content you’re publishing about Apple Pay. You can also slightly adapt these descriptions to better reflect your specific content on the tag.