Here are a few options for a WordPress post tag description, playing with different tones and focusing on clarity and relevance:

**Option 1: Short & Sweet (Good for quick understanding)**

* **Description:** 瞭解您的營運費用。 (Understand your operating expenses.)

**Option 2: More Explanatory (For users who may not know the term as well)**

* **Description:** 瞭解管理您的業務所需的各種營運成本，例如租金、薪資和雜費。 (Understand the various operating costs required to manage your business, such as rent, salaries, and miscellaneous expenses.)

**Option 3: Slightly more Specific/Targeted (If the blog often discusses cost management)**

* **Description:** 關於如何管理和控制營運費用的提示和建議。 (Tips and advice on how to manage and control operating expenses.)

**Option 4: Focusing on the value (If the site aims to provide help and guidance on finance)**

* **Description:** 探索有關營運費用和成本優化的實用建議。 幫助您節省錢，提高盈利能力。 (Explore practical tips on operating expenses and cost optimization. Helps you save money and improve profitability.)

**Option 5: Including related keywords (More SEO-focused)**

* **Description:** 討論營運費用，包括生意成本（例如：租金，水電費，人事成本），如何計算或減少營運費用。 (Discussion of operating expenses, including business costs (such as rent, utilities, and personnel costs), how to calculate or reduce operating expenses.)

**Which option is best depends on your specific goals:**

* **Ease of Understanding:** Option 1 or 2
* **Providing actionable information:** Option 3, 4 or 5
* **SEO considerations:** Option 5 might be a better choice for SEO (include the key phrases)

**How to use the description in WordPress:**

When you edit the tag in your WordPress dashboard, locate the “Description” field. Paste your chosen description into that field. Save the tag to see the changes.