Here are a few descriptions for the WordPress post_tag “薪資證明” (Xīnzī Zhèngmíng – Salary Certificate) in Traditional Chinese, ranging in length and focus:

**1. Concise & Functional:**

> 包含關於薪資證明的文件、範本、申請流程等相關資訊。
>
> *Translation: Information related to salary certificates including documents, templates, application procedures, etc.*

**2. More Descriptive:**

> 薪資證明是您在申請貸款、簽證、房屋租賃等場合中，用以證明您的收入來源與穩定性的重要文件。 這裡收集了關於薪資證明的常見問題、申請指南，以及其他相關資源。
>
> *Translation: A salary certificate is an important document to prove your income source and stability when applying for loans, visas, housing rentals, and other situations. This tag gathers common questions, application guides, and other relevant resources related to salary certificates.*

**3. Slightly more detailed, referencing legal situations:**

> 薪資證明：重要文件，可用於各種申請，例如貸款、簽證、房屋租賃等，也可在勞資糾紛中作為證據。 本目錄下的文章分享薪資證明的範本、申請方法、注意事項，與相關的法律建議。
>
> *Translation: Salary Certificates: Important documents usable for various applications such as loans, visas, and housing rentals, and also as evidence in labor disputes. Articles in this category share salary certificate templates, application methods, important considerations, and related legal advice.*

**4. Focusing on benefits & user helpfulness (for a blog/website):**

> 需要薪資證明嗎？ 這裡提供您快速取得薪資證明所需的一切資訊！ 包括如何申請、所需文件、常見問題解答，以及提升您申請成功機率的技巧。 輕鬆掌握，不再為申請薪資證明感到煩惱！
>
> *Translation: Need a Salary Certificate? Everything you need to quickly obtain a salary certificate is here! Including how to apply, required documents, FAQs, and tips to increase your chances of success. Get it done easily, and no longer worry about applying for a salary certificate!*

**How to choose:**

* **Consider your Target Audience:** Who are you writing this for? If you’re targeting employees, the more user-friendly options (3 & 4) are suitable. If you’re targeting professionals, the more concise and factual options (1 & 2) are appropriate.
* **Website Purpose:** Is it a resource for legal advice? Then (3) will fit.
* **Character Count:** WordPress tag descriptions have a limit. Choose the one that fits your character limit best.
* **Keywords:** While automatically determined to contain the title “薪資證明”, the descriptions implicitly use other relevant keywords to help with searchability.
* **Consistency:** Make sure this description aligns with the overall tone and style of your WordPress blog/website.

Choose the description that best fits your overall goals for your WordPress blog/website! I recommend option (4) if you’re focused on providing user-friendly information. Options (2) and (3) are better if you provide more details about the process.