Here are a few description options for the WordPress `post_tag` “國際卡” in Traditional Chinese, varying in length and focus:

**Option 1: Concise & General**

* **Description:** 輕鬆管理您的國際信用卡，盡享全球消費便利。 (Easily manage your international credit cards and enjoy the convenience of global spending.)

**Option 2: Focus on Benefits**

* **Description:** 了解國際卡的好處與優勢，如海外消費回饋、旅遊保險與機場貴賓室等。 (Learn the benefits and advantages of international cards, such as cashback on overseas spending, travel insurance, and airport lounge access.)

**Option 3: Short & Descriptive**

* **Description:** 關於國際信用卡的所有資訊與建議。(All the information and advice about international credit cards.)

**Option 4: More Detailed**

* **Description:** 探索不同的國際信用卡選項，包括各銀行的卡片比較、優惠活動、申請說明與使用技巧。 讓您聰明刷卡，享受海外消費的樂趣。 (Explore different international credit card options, including comparisons of cards from various banks, promotional activities, application instructions, and usage tips. Let you spend wisely and enjoy the fun of overseas spending.)

**Option 5: Emphasis on Information**

* **Description:** 查找最新的國際信用卡資訊，包括申請流程、年費、海外消費回饋、以及如何聰明選擇最適合您的卡片。 (Find the latest information on international credit cards, including the application process, annual fees, overseas spending rewards, and how to wisely choose the card that suits you best.)

**Which option to choose depends on the purpose of your tag and your site’s overall tone. I’d generally recommend option 1 or 2 for brevity, but 4 or 5 can offer a good detail.**