Here are a few options for the description of the WordPress post tag “共有持分” in Traditional Chinese, catering to different needs:

**Option 1: Concise and Informative**

> 描述：共同擁有的資產份額，包括不動產、股票等。了解您的共有持分以及相關權益。
>
> *Translation: Shares of jointly owned assets, including real estate, stocks, etc. Understand your shared interest and related rights.*

**Option 2: More Detailed and Contextual**

> 描述：本標籤涵蓋與「共有持分」相關的文章，即多個所有者共同擁有的資產權益。 這包括但不限於房地產、土地、股票、基金以及其他形式的共同財產。 探索持有共有持分可能涉及的法律、財產權益及管理細節。
>
> *Translation: This tag encompasses articles related to “Shared Interest,” the rights to assets jointly owned by multiple owners. This includes, but is not limited to, real estate, land, stocks, funds, and other forms of joint property. Explore the legalities, property rights, and management details involved in holding a shared interest.*

**Option 3: Focused on Legal and Practical Aspects**

> 描述：有關共同擁有的資產或財產的相關法律、權益與義務；探討共有持分的分割、轉讓、繼承等問題。 適合對共有物權益、法律責任等有興趣的讀者。
>
> *Translation: Information on the relevant laws, rights, and obligations pertaining to jointly owned assets or property; exploring issues such as the division, transfer, and inheritance of shared interests. Suitable for readers interested in shared property rights and legal responsibilities.*

**Option 4: Simple and SEO-friendly**

> 描述：共有持分、共同擁有、財產權益。
>
> *Translation: Shared Interest, Joint Ownership, Property Rights.*

**Choosing the Best Option:**

* **Option 1** is good for general use and clarity.
* **Option 2** offers a more thorough explanation, useful for a blog with in-depth content.
* **Option 3** is geared towards legal and practical discussions.
* **Option 4** is concise and simple, focusing on keywords for SEO.

Consider what kind of content you’ll be tagging to help you choose the best description. Also, consider including keywords like 權益 (rights), 法律 (law), and 財產 (property) to enhance SEO.