Here are a few options for the WordPress post_tag description, catering to different writing styles:

**Option 1: Concise and Direct**

> 了解信用卡賬單、費用及相關資訊。 (Understanding credit card statements, fees, and related information.)

**Option 2: Explanatory and Informative**

> 關於信用卡所衍生的各種費用，包括年費、滯納金、利息等等。本分類旨在解說常見的信用卡費用，幫助您管理您的財務。 (Regarding various fees generated by credit cards, including annual fees, late fees, interest, etc. This category aims to explain common credit card fees and help you manage your finances.)

**Option 3: Action-Oriented and Benefit-Focused**

> 掌握信用卡費用，避免不必要的支出。學習如何管理您的信用卡賬單，聰明消費，節省更多。 (Master credit card fees and avoid unnecessary expenses. Learn how to manage your credit card bills, spend wisely, and save more.)

**Option 4: Simple and Broad**

> 信用卡賬單上的所有費用。 (All fees on credit card statements.)

**Recommendation:**

Choose the description that best reflects the content of the associated posts and the overall tone of your website. **Option 2** is a good all-around choice, providing a solid explanation and a benefit to the reader.

**How to apply this in WordPress:**

1. Go to your WordPress dashboard.
2. Navigate to “Posts” -> “Tags.”
3. Find the “信用卡費用” tag (or create it if it doesn’t exist).
4. In the “Description” box, paste the description you’ve chosen.
5. Click “Update” to save the changes.