Here are a few options for a WordPress post_tag description for “經濟發展” (Economic Development) in Traditional Chinese, catering to different needs:

**Option 1: Concise and Informative**

> 關於促進經濟增長、創造就業、以及提升生活水平的政策和措施。 (Concerning policies and measures that promote economic growth, create employment, and improve living standards.)

* **Good for:** A general tag, easily understood by a broad audience.

**Option 2: Focusing on Specific Areas**

> 關注於各行各業的經濟發展，包括投資、貿易、創新、基礎建設等相關議題。 (Focusing on the economic development of various industries, including topics related to investment, trade, innovation, infrastructure, and more.)

* **Good for:** When you want to highlight the various aspects of economic development.

**Option 3: Emphasizing Community Impact**

> 探討經濟發展對社區的影響，以及如何促進更公平、更可持續的經濟。 (Exploring the impact of economic development on communities and how to promote a fairer, more sustainable economy.)

* **Good for:** If your blog emphasizes the social and environmental impact.

**Option 4: Short and Sweet (Perfect for limited space)**

> 促進經濟增長相關議題。 (Topics related to promoting economic growth.)

* **Good for:** When space is limited for displaying the description.

**How to Use it in WordPress:**

1. **Go to Posts > Tags in your WordPress dashboard.**
2. **Find the “經濟發展” tag.** (If it doesn’t exist, create a new tag with that name.)
3. **In the “Description” field, paste one of the descriptions above.**
4. **Click “Update” to save.**

**Choosing the best description depends on the overall scope and focus of your website/blog.** Consider your target audience and what kind of information you primarily cover related to economic development. Good luck!