Here are a few options for the description of the WordPress post tag “案件費用” (ànjiàn fèiyòng – Case/Project Cost) in Traditional Chinese, varying in length and focus:

**Option 1: Concise and Clear**

* **描述 (Mióushù):** 記錄與案件相關的成本支出，包括材料、人工、外包等費用。 (Jìlù yǔ ànjiàn xiāngguān de chéngběn zhīchū, bāokuò cáiliào, réngōng, wàibāo děng fèiyong.)
* **English Translation:** Records the cost expenditures related to the case/project, including materials, labor, outsourcing, and other expenses.

**Option 2: More Detail and Context**

* **描述 (Mióushù):** 此標籤用於標示與案件相關的總體或單項費用。 涵蓋材料採購、工程施作、人力成本、甚至額外的行政開支。 方便日後追蹤成本及預算分析。 (Cǐ biāoqiān yòngyú biāoshì yǔ ànjiàn xiāngguān de zǒngtǐ huò dānxiàng fèiyong. Hánggài cáiliào cǎigòu, gōngchéng shīzuò, rénlì chéngběn, shènzhì éwài de xíngzhèng kāizhī. Fāngbiàn rìhòu zhuīzōng chéngběn jí yùsuàn fēnxī.)
* **English Translation:** This tag is used to label the overall or individual costs related to the case/project. It covers material procurement, construction, labor costs, and even additional administrative expenses. It facilitates the tracking of costs and budget analysis later.

**Option 3: Focus on Practical Use**

* **描述 (Mióushù):** 標記與特定案件相關的費用明細，以便快速查找及管理預算。 適用於專案管理、會計記錄及成本控制。(Biāojì yǔ tèdìng ànjiàn xiāngguān de fèiyòng míngxì, yǐbiàn kuàisù zhǎochá jí guǎnlǐ yùsuàn. Shìyòngyú zhuān’àn guǎnlǐ, kuàijì jìlù jí chéngběn kòngzhì.)
* **English Translation:** Marks the breakdown of costs related to a specific case/project, for quick search and budget management. Suitable for project management, accounting records, and cost control.

**Option 4: Simple and Functional**

* **描述 (Mióushù):** 標籤用來分類案件相關的費用。(Biāoqiān yònglái fēnlèi ànjiàn xiāngguān de fèiyong.)
* **English Translation:** A tag used to categorize costs related to cases/projects.

**Which option is best?**

* Choose the option that best suits the purpose of your website and the complexity of your content.
* If you have a lot of information on cost breakdown, Option 2 or 3 would be good.
* If you simply need to identify the cost, Option 1 or 4 is sufficient.
* Consider your target audience and their level of understanding.

Remember to adjust the Chinese characters and word choice to be consistent with the overall tone of your website. Good luck!