Here are a few options for the post tag description, catering to different needs:

**Option 1 (Concise and straightforward):**

> 關於英語價格的相關資訊。 (Information related to English prices.)

**Option 2 (More descriptive, useful if you’re using this tag a lot):**

> 標示與英文價格相關的內容，包括商品、服務、翻譯等方面。涵蓋不同貨幣、計費方式以及價格趨勢等。 (Content related to English prices, including goods, services, and translation. Covers different currencies, billing methods, and price trends, among other aspects.)

**Option 3 (Focus on the target audience):**

> 幫助您了解英語價格的資訊，無論您是消費者還是企業主，都能在此找到有用的參考。 (Information to help you understand English prices, whether you are a consumer or a business owner, you can find useful references here.)

**Option 4 (If you’re highlighting a specific aspect, like online learning):**

> 關於英語學習課程、教材或其他相關產品的價格資訊。深入了解學費、收費方式、折扣優惠等。 (Information about the prices of English learning courses, materials or other related products. Learn more about tuition fees, payment methods, discounts, and offers.)

**Key Considerations when choosing:**

* **What kind of content will be tagged with this?** The description should reflect the kind of information you’ll be posting.
* **Who is your target audience?** The language should be clear and accessible to them.
* **How often will you use this tag?** If you use it a lot, a more detailed description may be helpful.
* **SEO Benefits**: The description should be keyword-rich, naturally incorporating relevant terms for improved search visibility (e.g., “商品”, “服務”, “翻譯”, “學費”, “收費”).

**To use these descriptions in WordPress:**

1. Go to your WordPress admin dashboard.
2. Navigate to “Posts” -> “Tags” (or “Categories” if the tag is a category).
3. Find the tag “英語價格”.
4. Click “Edit”.
5. In the description box, paste in your chosen description.
6. Click “Update”

I recommend choosing the option that best reflects the content of posts you plan to use this tag on. Good luck!