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

**Option 1 (Concise and Comprehensive):**

> 食品標示資訊，包含營養成分、過敏原、產地等，協助您閱讀、理解並做出明智的購物選擇。

* **Translation:** Food labeling information, including nutritional components, allergens, origin, etc., to help you read, understand, and make informed shopping choices.
* **Why it’s good:** Covers the core aspects of food labeling and its benefits. It’s clear, concise, and user-friendly.

**Option 2 (Focus on Regulations and Guidelines):**

> 了解食品標示相關法規與規範，包括成分、營養資訊、安全警告等，保障您的飲食安全。

* **Translation:** Understand food labeling regulations and guidelines, including ingredients, nutritional information, safety warnings, etc., to protect your dietary safety.
* **Why it’s good:** Emphasizes the regulatory aspect, suitable if the blog often discusses legal requirements.

**Option 3 (Action-Oriented):**

> 學習如何正確查看食品標示，辨識成分、過敏原，為您的健康把關。

* **Translation:** Learn how to correctly check food labels, identify ingredients, and allergens to safeguard your health.
* **Why it’s good:** It encourages users to actively use the information and promotes a proactive approach to healthy eating.

**Option 4 (Broader and Informative):**

> 深入探討食品標示的內容，從成分列表到營養成分，幫助您了解食品的真相，做出更健康的選擇。我們將分享最新的食品標示變化和相關知識。

* **Translation:** Delve into the content of food labels, from ingredient lists to nutritional components, to help you understand the truth about food and make healthier choices. We will share the latest food labeling changes and relevant knowledge.
* **Why it’s good:** More descriptive and promises up-to-date information, suitable for a blog covering news or changes regarding food labeling.

**How to choose the best option:**

* **Consider your blog’s content:** If your blog is mostly about regulations, option 2 is a great fit. If your blog focuses on helping readers make better choices, option 3 is ideal.
* **Target Audience:** Adapt the language to fit your audience’s level of understanding.
* **Length:** Keep it concise, as descriptions often have character limits.

**To add the description in WordPress:**

1. Go to **Posts > Tags** in your WordPress admin panel.
2. Find the tag “食品標示” (or create it if it doesn’t exist).
3. Edit the tag and look for a field labeled “Description” or “Tag Description.”
4. Paste your chosen description into that field.
5. Click “Update” or “Save.”

Choose the description that best suits your blog’s focus and your audience! Good luck!