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

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

* **Description:** 衡量投資表現的重要指標，代表投資一年期間的收益百分比。
* **Translation of Description:** An important indicator to measure investment performance, representing the percentage return of an investment over a one-year period.
* **Why it works:** Clearly explains what “年報酬率” is in a few concise sentences. It’s straightforward and easily understood.

**Option 2 (Slightly more Informative):**

* **Description:** 深入理解您的投資年報酬率，包括如何計算、影響因素，以及如何在不同投資中比較。
* **Translation of Description:** Deeply understand your investment’s annual rate of return, including how to calculate it, influencing factors, and how to compare it across different investments.
* **Why it works:** Suggests that content tagged with this term offers deeper explanations and practical information. It’s a good choice if you’re creating educational content.

**Option 3 (Focused on Practical Application – Good for a Blog):**

* **Description:** 了解您的投資年報酬率，用於分析您的投資組合績效，並幫助您做出更明智的決策。
* **Translation of Description:** Understand your investment’s annual rate of return, used to analyze the performance of your investment portfolio and help you make more informed decisions.
* **Why it works:** Emphasizes the practical use of the term, making it relevant for someone looking to improve their investment strategies.

**Option 4 (If the blog/site focuses on finances or investing):**

* **Description:** 追踪您的投资组合和个别资产的年報酬率，以进行投资绩效评估和策略制定。
* **Translation of Description:** Track the annual rate of return for your investment portfolio and individual assets, to assess investment performance and develop strategies.
* **Why it works:** Suitable if your theme is investment evaluation and planning. Emphasizes usage of the year ROI in financial planning

**How to Choose the Best Option:**

* **Consider your audience:** Who are you writing for? Are they beginners, experienced investors, or a mix?
* **Think about the content related to the tag:** What kind of articles will be tagged with “年報酬率”?
* **Prioritize Clarity:** Make sure the description is easy to understand and to the point.
* **Keywords:** While not overly important for descriptions, use keywords that reflect what people might search for (e.g., “投资回报”, “年回報率” which are alternative ways to say it that are common in Chinese)

When editing the tag in WordPress, just copy and paste your preferred description into the “Description” field.