Here are a few options for the WordPress `post_tag` description, depending on the nuance you want to convey:

**Option 1 (General & Concise):**

* **Description:** 涵蓋本篇文章中提到的各種應用案例和用途。 (Covers all the application cases and uses mentioned in this article.)

**Option 2 (Focus on practical use):**

* **Description:** 了解「應用場景」範疇，探索文章中提到的實際應用方式。 (Understand the scope of “Application Scenarios” and explore the practical applications discussed in the article.)

**Option 3 (Emphasis on diverse examples):**

* **Description:** 這標籤列出文章中的不同應用範例，讓你全面了解內容如何實際運用。 (This tag lists the different application examples in the article, allowing you to understand how the content is practically applied.)

**Option 4 (Slightly more detailed):**

* **Description:** 標記文章中具體的應用案例，包括產品、服務、策略等等，幫助你更好地理解文章的實際價值。 (Tags specific application examples within the article, including products, services, strategies, etc., to help you better understand the practical value of the article.)

**Choosing the best option depends on your blog’s style and audience. Consider:**

* **Your target audience’s technical level:** Do they need a very simple explanation, or can they handle a bit more detail?
* **The specific content of your blog post:** Does the post focus on a specific application, or multiple ones?
* **The overall tone of your blog:** Is it formal or informal?

I generally recommend Option 1 or 2 for most scenarios. They’re concise and easy to understand. Make sure to set the tag’s slug (the URL-friendly version of the tag title) to something like “ying-yong-chang-jing” when creating the tag in WordPress.