Here are a few options for the WordPress post_tag description, along with explanations of why they might be suitable:

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

* **Description (傳統中文):** 了解資本利得相關資訊，包括定義、計算方式及稅務影響。 (Understand information related to capital gains, including definitions, calculation methods, and tax implications.)

* **Explanation:** This is a very straightforward and informative description. It clearly states what the tag covers, making it helpful for users.

**Option 2 (More Detailed):**

* **Description (傳統中文):** 關於「資本利得」的全面指南。 涵蓋投資買賣所得、資產增值等，深入探討稅務規定、申報程序以及如何優化您的投資。 (A comprehensive guide to “Capital Gains.” Covering profits from investment transactions, asset appreciation, etc., exploring tax regulations, filing procedures, and how to optimize your investments.)

* **Explanation:** This is a more detailed option. It explains the scope of the tag, hints at the kind of information covered, and uses more inviting language.

**Option 3 (Focusing on Benefits):**

* **Description (傳統中文):** 掌握資本利得，最大化您的投資回報。 學習如何理解、計算並有效管理您的資本利得，以實現財務目標。 (Stay on top of capital gains to maximize your investment returns. Learn how to understand, calculate, and effectively manage your capital gains to achieve your financial goals.)

* **Explanation:** This option highlights the benefits of understanding capital gains, focusing on how it can help users achieve their financial goals. It’s more motivational.

**Option 4 (Simple and Specific):**

* **Description (傳統中文):** 有關股票、房地產等投資的資本利得稅務與計算。 (Capital gains tax and calculations related to investments like stocks, real estate, etc.)

* **Explanation:** This is good if the posts under this tag primarily focus on these specific asset classes.

**Which Option to Choose:**

The best option depends on the content of your posts. Consider these things:

* **Your Target Audience:** Are you aiming for beginners or experienced investors?
* **The Scope of Your Posts:** Do you focus on a specific aspect (calculations) or cover a broader range of topics?
* **Your Tone:** Do you want to be informative, motivational, or formal?

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

1. **Go to Post Tags ( or Categories)** in your WordPress Admin panel.
2. **Edit the “資本利得” Tag.**
3. **Locate the “Description” field.**
4. **Paste in your chosen description.**
5. **Update the Tag.**

Remember to consistently apply the chosen description style for all your tags to maintain a clear and helpful structure for your visitors.