Here are a few options for the description, tailored to different purposes:

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

> 使用國際信用卡進行線上購物、旅行消費等，涵蓋 VISA、Mastercard、American Express 等多種國際信用卡。

* **Translation:** Using international credit cards for online shopping, travel expenses, etc., covering various international credit cards such as VISA, Mastercard, and American Express.
* **Purpose:** A clear and brief overview for the general user, highlighting the main uses and common brands.

**Option 2 (Focus on Benefits):**

> 輕鬆享受全球購物便利，透過國際信用卡，讓您在世界各地都能安全消費、輕鬆付款，同時享有信用卡優惠和保障。

* **Translation:** Easily enjoy global shopping convenience. With international credit cards, you can safely spend and easily pay anywhere in the world, while also enjoying credit card benefits and protection.
* **Purpose:** Emphasizes the advantages of using international cards, focusing on convenience, security, and perks.

**Option 3 (Targeting Ecommerce/WordPress Specific)**

> 本站列出支援國際信用卡付款的相關商品、服務。 方便您使用全球卡輕鬆購物，包括 VISA、Mastercard、JCB 等卡種。

* **Translation:** This site lists related products and services that support international credit card payments. Making it easy for you to shop using global cards, including VISA, Mastercard, JCB, and other card types.
* **Purpose:** Appropriate if you’re tagging products, services or posts that are related to selling online with international payments.

**Option 4 (Keyword Rich):**

> 關於國際信用卡，包括 VISA 卡、Mastercard、American Express、JCB 等全球通用信用卡的使用指南、優惠資訊、推薦卡片、線上支付教學。

* **Translation:** Regarding international credit cards, including usage guides, promotional information, recommended cards, and online payment tutorials for VISA, Mastercard, American Express, JCB, and other global credit cards.
* **Purpose:** Packed with relevant keywords to potentially boost SEO for searches related to credit cards.

**Recommendation:**

I recommend **Option 1** or **Option 2** as a starting point. They’re accessible and provide a good general understanding of the topic. Choose the option that best reflects the overall tone and purpose of your blog. You can adjust the keywords to suit your content. If you are focused on your store, chose **option 3**.