Here are a few options for a WordPress post_tag description, depending on the tone and intended use:

**Option 1: Concise and Informative (Good for general use)**

* **Description:** 介紹全球熱賣的商品、服務或趨勢。
* *Translation: Featuring globally best-selling products, services, or trends.*
* This is short, sweet, and clearly explains what the tag represents.

**Option 2: Marketing Focused (Good for product-focused content)**

* **Description:** 匯集全球口碑、暢銷全球的精選商品，讓您輕鬆掌握市場趨勢，找到值得信賴的選擇。
* *Translation: Grouping together globally acclaimed, best-selling products, allowing you to stay on top of market trends and find trustworthy choices.*
* This focuses on benefit to the reader highlighting quality and easy access.

**Option 3: Broader and descriptive (Good for lifestyle or news content)**

* **Description:** 分享世界各地廣受歡迎、風靡全球的各類商品、文化、活動或現象，探索全球熱門趨勢。
* *Translation: Sharing popular products, culture, activities, or phenomena from around the world, exploring global trends.*
* This allows flexibility in the type of content the tag can be used for.

**Option 4: Simple and SEO targeted**

* **Description:** 全球暢銷商品, 熱門商品, 必買清單
* *Translation: Global Best Sellers, Popular Products, Must-Buy List.*
* This is short and will include keywords that people may search for.

**How to input the description in WordPress:**

1. **Access the “Tags” section:** In your WordPress admin dashboard, go toPosts > Tags.
2. **Find the tag:** Locate the tag “全球暢銷” in the list. You might need to search for it.
3. **Edit the tag:** Hover over the tag name and click “Edit” (or click the tag name itself).
4. **Enter the description:** Look for the “Description” field (usually found below the tag name and slug fields). Paste or type in your chosen description.
5. **Update the tag:** Click the “Update” button to save the changes.

Choose the description that best reflects the content you plan to tag and the overall tone of your website. The translation is provided to help understand the meaning of the description or for your potential use elsewhere. Remember to translate any other relevant fields needed as well.