Here are a few options for the description of the WordPress post_tag “專業知識” (Professional Knowledge/Expertise) in Traditional Chinese, along with explanations for each:

**Option 1: Simple and Direct**

* **Description:** 涵蓋各領域的專業知識。 (Hángài gè lǐngyù de zhuānyè zhīshì.)
* **Translation:** Covering professional knowledge in various fields.
* **Explanation:** This is a straightforward and easy-to-understand description. It’s concise and clearly states the purpose of the tag.

**Option 2: Emphasizing Depth and Understanding**

* **Description:** 深入且精闢的專業知識，助您洞悉事物本質。 (Shēnrù qiě jīngpì de zhuānyè zhīshì, zhù nín dòngxī shìwù běnzhì.)
* **Translation:** In-depth and insightful professional knowledge, helping you understand the nature of things.
* **Explanation:** This option attempts to make the theme more valuable by adding a feeling of gaining knowledge and understanding.

**Option 3: Focus on Expertise & Credibility**

* **Description:** 專家分享、深入剖析，提供您最可靠的專業知識。 (Zhuānjiā fēnxiǎng, shēnrù pōuxī, tígōng nín zuì kěkào de zhuānyè zhīshì.)
* **Translation:** Expert sharing and in-depth analysis, providing you with the most reliable professional knowledge.
* **Explanation:** This adds the element of “expert” to build credibility and trust.

**Option 4: Action-Oriented (depending on the blog’s purpose)**

* **Description:** 學習、探索、掌握專業知識，提升您的競爭力。 (Xuéxí, tànsuǒ, zhǎngwò zhuānyè zhīshì, tíshēng nín de jìngzhēnglì.)
* **Translation:** Learning, exploring, and mastering professional knowledge, to improve your competitiveness.
* **Explanation:** It directly calls for action and caters to people who want to gain competitive advantages.

**Choosing the Right Description:**

* **Consider your target audience:** Who are you writing for? What level of knowledge do they have?
* **Think about your blog’s purpose:** Is it informative, educational, or a mix of both?
* **Keep it concise:** WordPress tags are meant for quick categorization, so keep the description relatively short.
* **Try to include relevant keywords:** This can help with search engine optimization (SEO).

**How to add the description in WordPress:**

1. Go to **Posts > Tags**.
2. Find the tag “專業知識”.
3. Hover over it and click “Edit”.
4. You’ll see a “Description” field. Paste your chosen description there.
5. Click “Update”.

I recommend starting with Option 1 or Option 3 and adjusting it based on your specific needs. Good luck!