Here are a few options for the WordPress post_tag description for “信用卡刷卡” in Traditional Chinese, ranging in length and focus:

**Option 1: Concise & Informative**

* **Description:** 使用信用卡進行消費，輕鬆便捷。 (Using credit cards for purchases, easy and convenient.)

**Option 2: Slightly More Detailed**

* **Description:** 涵蓋所有關於信用卡刷卡消費的資訊，包括付款、優惠、安全等。 (Encompassing all information about credit card spending, including payments, promotions, and security.)

**Option 3: Focused on Benefits**

* **Description:** 享受信用卡刷卡的便利與優惠，聰明消費，輕鬆理財。 (Enjoy the convenience and benefits of credit card spending, shop smart, and manage your finances easily.)

**Option 4: Targeted towards a broader audience**

* **Description:** 提供關於信用卡刷卡的最新資訊、技巧和建議，助你更好地管理你的財務。 (Provides the latest information, tips, and suggestions about credit card spending, helping you to manage your finances better.)

**Which Option to Choose:**

* **Consider what type of content you’re tagging.** If you are posting a lot about promotional discounts, then option 3 would be a great choice.
* **Think about SEO.** A longer, keyword-rich description (like Option 2 or 4) can help with search engine optimization.
* **Keep it consistent.** If you’re already using similar descriptions for other tags, try to maintain that tone and style.

I generally recommend Option 2 or 4 for SEO benefits, and choose the description that best reflects the content related to “信用卡刷卡” on your site.