Here are a few options for the description of the WordPress post tag “永續” (Yongxu), meaning “Sustainability” in Traditional Chinese, catering to different nuances:

**Option 1 (Concise & Direct):**

**Description:** 所有關於環境保護、社會責任和經濟發展相互結合的議題。探索永續發展的最新趨勢、創新及影響。
**Translation:** All issues related to environmental protection, social responsibility, and economic development, working together. Explore the latest trends, innovations, and impacts of sustainable development.
**Best for:** A general audience, highlighting the core principles of sustainability.

**Option 2 (Emphasis on Action & Solutions):**

**Description:** 關於促進永續發展的各種方案與行動。了解如何在日常生活中實踐永續，支持對環境及社會有益的企業和倡議。
**Translation:** Various programs and actions to promote sustainable development. Learn how to practice sustainability in daily life and support businesses and initiatives beneficial to the environment and society.
**Best for:** Readers interested in practical tips and solutions, encouraging action.

**Option 3 (Broader Scope & Context):**

**Description:** 聚焦於永續性，探討如何平衡環境、社會和經濟的需求。從氣候變遷到循環經濟，揭示全球及本地的挑戰，並分享可行的解決方案。
**Translation:** Focusing on sustainability, exploring how to balance the needs of the environment, society, and economy. From climate change to the circular economy, revealing global and local challenges and sharing viable solutions.
**Best for:** Readers seeking a more comprehensive understanding of sustainability, linking concepts to global challenges.

**Option 4 (Focus on Future & Responsibility):**

**Description:** 關於我們共同的未來。探索永續發展對地球和我們子孫後代的影響，思考如何負責任地使用資源，確保繁榮的未來。
**Translation:** About our shared future. Explore the impact of sustainable development on the earth and future generations. Consider how to responsibly use resources to ensure a prosperous future.
**Best for:** Emphasizing long-term perspective and the importance of responsibility.

**How to use these in your WordPress Post Tag settings:**

1. **In your WordPress dashboard, go to Posts -> Tags.**
2. **Click on the “Edit” link for the “永續” tag.**
3. **In the “Description” field, paste your preferred description from above.**
4. **Click “Update”.**

Remember to choose the description that best reflects the focus and content of your blog, and aligns with your target audience’s interests. Good luck!