Here are a few options for the description of the WordPress post tag “營業收入” in Traditional Chinese, ranging in formality and specificity:

**Option 1 (Simple & Directly Informative):**

> 與公司營業收入相關的文章。 (Articles related to company revenue.)

* **Pros:** Clear, concise, and easy to understand.
* **Cons:** Doesn’t provide much additional context.

**Option 2 (Slightly More Descriptive):**

> 標記關於公司銷售額、服務收入、及其他營業活動收入的內容。 (Tags content about company sales, service revenue, and other operational revenue.)

* **Pros:** Offers more specificity about the types of content tagged.
* **Cons:** Slightly longer, but still straightforward.

**Option 3 (More Professional & Contextual):**

> 涵蓋公司財務報告中的營業收入，包括銷售收入、營業額，以及影響企業盈利能力的各項因素。 (Covers operational revenue in company financial reports, including sales revenue, turnover, and factors that affect a company’s profitability.)

* **Pros:** More professional tone, suitable for a business/finance blog. Provides a good overview of what the tag covers.
* **Cons:** A bit more technical language, but still accessible.

**Option 4 (Short & Sweet – focusing on keywords):**

> 營業額、銷售額、收入、公司財務 (Turnover, Sales, Revenue, Company Finance)

* **Pros:** Uses keywords, useful for SEO and search within the site.
* **Cons:** Not a full sentence, might be more suitable as a supplement rather than a primary description.

**How to Choose:**

Consider the following factors to select the most appropriate description:

* **Target Audience:** Who is reading your blog? (General public, business professionals, etc.)
* **Blog Content:** What kind of articles are tagged with “營業收入”?
* **SEO Goals:** Are you focused on keyword optimization?

I recommend using either **Option 2** or **Option 3** as a starting point and adapting it to fit your specific needs. You can also use the `Translation` plugin to translate your descriptions to languages of your choice.