Okay, here are a few description options for a WordPress post tag titled “2100萬” in Traditional Chinese, catering to different tones and purposes. I’ve assumed the tag title refers to a financial amount (21 million) or something related. You can adjust these based on the actual *content* tagged with “2100萬”.

**Option 1: Simple and Direct (General Use)**

* **Description:** 指涉與兩千一百萬相關的內容。 (Indicates content related to twenty-one million.)
* **Notes:** This is a very neutral and broad description. Suitable for general use and can fit various types of content.

**Option 2: Financial Tone (Suitable for Finance Blogs/Articles)**

* **Description:** 與兩千一百萬相關的財務數據、投資、或產業動態。 (Financial data, investments, or industry trends related to twenty-one million.)
* **Notes:** This option is excellent if you are using “2100萬” to tag articles on financial topics.

**Option 3: Specific Topic & Context (If context is known, this is more accurate)**

* **Description:** （例如：房地產）相關項目，例如價值兩千一百萬的房地產交易、案例分析或市場趨勢。 (For example: real estate) related topics, such as real estate transactions, case studies, or market trends valued at twenty-one million.)
* **Notes:** Edit the part in the parentheses with specific context like “房地產” (real estate), “股票” (stocks), or “稅務” (taxes”) so you can make it extremely relevant.

**Option 4: More Engaging & Question Based (For Interaction)**

* **Description:** 探討與兩千一百萬相關的熱門話題和最新動態。讓我們一同了解這個數字背後的意義！ (Explore popular topics and the latest developments related to twenty-one million. Let’s understand the meaning behind this number together!)
* **Notes:** This version has a more conversational feel. Use it if your blog is focused on audience engagement and discussions.

**Option 5: Concise & Keyword-focused (For SEO)**

* **Description:** 2100萬，相關資訊、分析、新聞、案例。 (Twenty-one million: related information, analysis, news, and case studies.)
* **Notes:** This option is good especially for SEO to attract more keyword-based search traffic.

**How to choose:**

1. **Consider your content:** What will be tagged with “2100萬”? Focus on making it be a match.
2. **Purpose of the tag:** Why are you using this tag? (e.g. to group related articles, to build a category, for SEO).
3. **Target audience:** Who are you writing for? (e.g., finance professionals, general readers etc.)
4. **Conciseness:** Keep the description relatively short and easy to understand.

**To add the description in WordPress:**

1. Go to your WordPress admin panel.
2. Navigate to “Posts” > “Tags.” (Or “Categories,” if you’re using it in that context).
3. Locate the “2100萬” tag (you might need to search for it).
4. Click the tag to edit it.
5. In the “Description” field, enter one of the options above (or the one you’ve customized).
6. Save the changes.