Here are a few options for a WordPress post tag description for “資本利得稅” (Capital Gains Tax) in Traditional Chinese, ranging from concise to more informative:

**Option 1: Concise (Most Common)**

> 了解投資獲利時可能需要繳納的稅款。

> *Translation:* Understand the tax you might need to pay when investing and making a profit.

**Option 2: Slightly more detailed**

> 關於資本利得稅的資訊，包括其定義、計算方法以及不同資產類別的稅率。

> *Translation:* Information about Capital Gains Tax, including its definition, calculation methods, and tax rates for different asset classes.

**Option 3: Suitable if you have posts about reducing capital gains tax**

> 探討資本利得稅及其對投資策略的影響，以及合法減少稅負的方法。

> *Translation:* Explore Capital Gains Tax and its impact on investment strategies, and ways to legally reduce the tax burden.

**Option 4: Broader and more introductory**

> 學習關於資本利得稅的基礎知識，包括稅率、計算方式以及對投資者的影響。

> *Translation:* Learn the fundamentals of Capital Gains Tax, including tax rates, calculation methods, and the impact on investors.

**Which option to choose depends on how you’re using the tag. Consider these points:**

* **Website’s Focus:** Does your website offer practical tips, explanations, or legal advice? Tailor your description to match.
* **Target Audience:** Are you writing for beginners or experienced investors?
* **Content of Posts:** Ensure the description reflects the kinds of articles the tag will be used for.

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

1. **Log into your WordPress admin panel.**
2. **Go to “Posts” -> “Tags”.**
3. **Find the “資本利得稅” tag.**
4. **Click “Edit”.**
5. **In the “Description” box, paste your chosen description.**
6. **Click “Update”.**

Remember to write clear, concise, and accurate descriptions to help your users find the information they need!