Here are a few options for the description of a WordPress post tag titled “商業成本” in Traditional Chinese, along with explanations:

**Option 1 (Concise & General):**

> **描述：** 探討企業營運所需的各種成本，包括直接成本、間接成本等。

* **Translation:** Describes the various costs required for business operations, including direct costs, indirect costs, etc.
* **Suitable for:** Broad coverage of all types of commercial costs.

**Option 2 (Focus on Analysis):**

> **描述：** 分析商業成本結構，研究如何有效控制和降低成本，提升企業盈利能力。

* **Translation:** Analyzes the structure of business costs, and researches how to effectively control and reduce costs to improve business profitability.
* **Suitable for:** If you focus on cost analysis and optimization in your posts.

**Option 3 (Emphasis on Categories):**

> **描述：** 涵蓋商業成本的各個方面，例如生產成本、銷售成本、管理成本、財務成本等。

* **Translation:** Covers all aspects of business costs, such as production costs, sales costs, management costs, financial costs, etc.
* **Suitable for:** If you frequently break down costs into different categories.

**Option 4 (User-Friendly & Clear):**

> **描述：** 了解經營企業所需的各項開支，包括產品、服務、人力、租金等。

* **Translation:** Understanding all the expenses required to operate a business, including products, services, manpower, rent, etc.
* **Suitable for:** Easy to understand for general users.

**Option 5 (If related to a specific industry):**

> **描述：** [行業名稱] 行業的商業成本分析與案例探討，包括[具體成本例子]。 (例如：[零售業]的商業成本分析，包括庫存成本、營銷費用、員工薪資。)

* **Translation:** Business cost analysis and case studies in the [Industry Name] industry, including [Specific cost examples]. (Example: Business cost analysis for the [Retail Industry], including inventory costs, marketing expenses, and employee salaries).
* **Suitable for:** Very specific topics within a particular business sector. Replace the example wording with your desired industry and relevant costs.

**How to choose:**

* **Consider your post content:** Choose the description that best reflects the type of content you will be tagging with “商業成本”.
* **Target Audience:** Think about who will be reading your posts. If you have a general audience, a more user-friendly description is best (Option 4). If your audience is more focused on financial analysis, options 2 or 3 might be better.
* **Keywords:** While descriptions aren’t as vital for SEO in the same way as titles, they still help provide context. Pick a description that uses relevant keywords.

**Important Note:** Be sure to write directly within the WordPress tag description field. WordPress will use this description to provide context and meaning to that tag.