Here are a few options for the WordPress post_tag description, playing with different levels of detail and focus:

**Option 1: Simple and Direct (Most Suitable for Beginners)**

* **Description:** 了解我們產品或服務的費用包含什麼。

* **(Translation):** Learn about what’s included in the cost of our products or services.
* **(Why it’s good):** Easy to understand, focuses on the core meaning, uses concise and common language.

**Option 2: More Informative (Good for General Use)**

* **Description:** 關於費用結構的詳細資訊，包括價格、收費方式、及可能產生的額外費用。

* **(Translation):** Detailed information about the cost structure, including prices, payment methods, and potential extra charges.
* **(Why it’s good):** Offers a more comprehensive explanation, helpful for users seeking deeper insights.

**Option 3: Focus on Transparency (Good for customer trust)**

* **Description:** 我們公開透明的費用結構，讓您清楚知道每一筆支出的用途。

* **(Translation):** Our transparent cost structure, so you know exactly where every expense goes.
* **(Why it’s good):** Emphasizes transparency, a key selling point for many businesses.

**Option 4: Keyword Focused (Good for SEO)**

* **Description:** 費用結構，價格明細、收費方式、服務費用、訂閱費用等相關資訊。

* **(Translation):** Cost structure, price details, payment methods, service fees, subscription fees, and related information.
* **(Why it’s good):** Includes relevant keywords to improve search engine visibility. This one can feel a bit redundant, combine it usefully for your scenario.

**Which option should you choose?**

* **Consider your target audience:** Are you writing for technical users or everyday customers?
* **Reflect the content of your posts:** The description should accurately reflect what your posts under this tag are about.
* **Keep it concise:** Aim for a description that is clear and easy to understand.

**How to add the description in Wordpress:**

1. **Go to Posts > Tags in your WordPress admin panel.**
2. **Find the tag “費用結構” and click “Edit.”**
3. **Look for a field labeled “Description.”** (If you don’t see this field, you might need to enable it in your screen options — click the “Screen Options” button at the top right and make sure “Description” is checked.)
4. **Paste your chosen description into the “Description” field.**
5. **Click “Update” or “Save.”**

I recommend starting with Option 1 and adjusting it based on your specific needs. Good luck!