Okay, here are a few options for the description of the “電費” (Diànfèi – Electricity Bill) WordPress post_tag, designed to be helpful and informative in Traditional Chinese:

**Option 1 (Concise and SEO-friendly):**

* **Description:** 了解您的電費開銷！ 這裡收錄關於電力消耗、帳單計算、節能省錢等相關的文章。 (Learn about your electricity expenses! This tag includes articles about electricity consumption, bill calculation, energy saving, and money-saving tips.)

**Option 2 (More Detailed and User-focused):**

* **Description:** 關於電費的一切資訊，盡在於此！ 從如何閱讀電費單、理解用電計價方式，到如何有效節省電費、善用政府補助，我們提供您實用的文章和建議，讓您輕鬆掌握用電開支，減少不必要的支出。 (Everything about electricity bills can be found here! From how to read your electricity bill, understanding electricity pricing, to how to effectively save on electricity costs and make good use of government subsidies, we provide you with practical articles and suggestions to help you easily manage your electricity expenses and reduce unnecessary spending.)

**Option 3 (Focus on Solutions and Benefits):**

* **Description:** 想減少電費支出嗎？ 這裡提供各種實用技巧與建議，幫助您了解用電習慣、分析帳單，並找到節能省錢的最佳方案。 探索如何透過改變生活習慣、善用家電、善用政府優惠等方式，有效降低每月電費負擔。 (Want to reduce your electricity bill? Here we provide a variety of practical tips and suggestions to help you understand your electricity consumption habits, analyze your bills, and find the best energy-saving and money-saving solutions. Explore how to effectively reduce your monthly electricity bill by changing your lifestyle habits, using appliances efficiently, and taking advantage of government incentives.)

**Option 4 (Specific Keyword Focused):**

* **Description:** 電費, 帳單, 用電, 省錢, 節能 – 針對電費的相關文章集合。 涵蓋電費的計算方式，查詢，付款，以及節能省錢的各種方法 (Electricity bill, bill, electricity usage, save money, energy saving – A collection of articles related to electricity bills. Covering the calculation methods, inquiries, payments and various methods of saving energy and money.)

**Key Considerations when Choosing:**

* **SEO:** Consider what keywords users might search for (電費、電費帳單、省電、節能 etc.) and incorporate them naturally into the description.
* **Target Audience:** Who are you trying to reach? Are they beginners or more advanced users? This affects the level of detail.
* **Content:** What kind of content will you be tagging with “電費”? Tailor the description to reflect the topics your articles will cover.
* **Length:** Keep it relatively short and to the point for readability in the WordPress admin panel.

I recommend choosing the description that best aligns with your overall content strategy and the tone you want to convey. You can also experiment and adjust it later!