Here are a few options for the WordPress post tag description “投資報酬率” in Traditional Chinese, ranging in detail:

**Option 1 (Short & Sweet):**

* **Description:** 檢視您的投資表現，了解收益與成本的關係。

* **Translation:** Review your investment performance and understand the relationship between returns and costs.

**Option 2 (Slightly More Detailed):**

* **Description:** 關注您投資的回報表現，包括股票、房地產、債券等各種投資項目的收益與成本比較，讓您做出更聰明的投資決策。

* **Translation:** Focus on the return performance of your investments, including a comparison of returns and costs for various investment projects such as stocks, real estate, bonds, etc., allowing you to make smarter investment decisions.

**Option 3 (Comprehensive):**

* **Description:** 探索關於「投資報酬率」的文章。 這裡涵蓋如何計算、分析和最大化您的投資回報率。 從基本概念例如年化報酬率到更深入的分析方法，助您更好地評估不同投資策略的潛力，並做出更明智的財務規劃。

* **Translation:** Explore articles about “Investment Return Rate”. This covers how to calculate, analyze, and maximize your investment return rates. From basic concepts like annual return rate to more in-depth analysis methods, helping you better assess the potential of different investment strategies and make more informed financial plans.

**Key things to consider when choosing:**

* **Your target audience:** Who are you writing for? Are they beginners or experienced investors?
* **The context:** Is this a general blog, or is it focused on specific assets or strategies?
* **Purpose of the tag:** Is it just for internal organization, or do you want it visible to users?
* **SEO:** While tag descriptions aren’t usually heavily weighted for SEO, using relevant keywords (e.g., “計算,” “分析,” “投資策略”) can still help.

I’d generally recommend **Option 2 or 3** for better user understanding and SEO potential. Choose the description that best aligns with the content you’ll consistently be tagging. You can also adjust the wording as needed to match your blog’s specific style. For instance, replace “讓您做出更聰明的投資決策” with “幫助您作出明智的投資決策” if you prefer using “幫助” instead of “讓”.