Here are a few options for the WordPress post_tag description, with varying levels of detail and accessibility, all in Traditional Chinese:

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

> 涵蓋所有與成人飲食相關的資訊和建議。

* **Translation:** Contains all information and recommendations related to adult diet.
* **Good for:** A general overview, suitable for various levels of understanding.

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

> 探討成人日常飲食、健康飲食、以及飲食習慣相關的各種資訊，幫助您建立健康的飲食方式。

* **Translation:** Explores daily diet, healthy eating, and information related to dietary habits for adults, helping you establish a healthy way of eating.
* **Good for:** Provides a better idea of the content covered.

**Option 3 (Focus on nutritional considerations):**

> 深入研究成人的飲食營養需求，包括各類食物的選擇、烹飪方法、營養素攝取等，提供全面的健康飲食指南。

* **Translation:** Deeply researches the nutritional needs of adults, including the selection of various foods, cooking methods, and nutrient intake, providing a comprehensive guide to healthy eating.
* **Good for:** Those interested in detailed nutritional information.

**Option 4 (Focus on tips and advice):**

> 關於成人飲食的實用建議、烹飪技巧，以及如何保持健康飲食習慣的策略。

* **Translation:** Practical advice about adult diet, cooking techniques, and strategies to maintain healthy eating habits.
* **Good for:** People seeking actionable guidance.

**Option 5 (Simple and Direct):**

> 成人飲食相關的文章、指南及資訊。

* **Translation:** Articles, guides, and information related to adult diet.
* **Good for:** Quick and easy to understand.

**How to choose the best description:**

* **Audience:** Consider who your target audience is. Are they beginners or already knowledgeable about nutrition?
* **Content:** What type of content will be tagged with “成人飲食”? Choose a description that accurately reflects the post’s themes.
* **SEO:** While tag descriptions don’t directly impact SEO as much as meta descriptions, they can still help with context. Use relevant keywords like “飲食” (diet), “健康” (health), and “成人” (adult).

I recommend choosing **Option 2 or 3** as they provide a good balance of information and detail while being generally accessible. Remember to choose the option that best fits the content on your website!