Here are a few options for a `post_tag` description for the WordPress post tag “蜂王乳功效” in Traditional Chinese, varying in length and focus:

**Option 1 (Short and Sweet):**

> 了解蜂王乳的益處與好處：增強免疫力、促進健康、改善皮膚狀況。

**(English Translation: Learn about the benefits of royal jelly: boosts immunity, promotes health, improves skin condition.)**

* **Focus:** Concise explanation of the core benefits.
* **Good For:** General overview and attracting readers interested in basic information.

**Option 2 (Slightly More Detailed):**

> 蜂王乳功效解析：從免疫系統到美容保養，深入探討蜂王乳的多元益處。了解蜂王乳如何幫助您維持健康與活力。

**(English Translation: Analysis of the benefits of royal jelly: From immune system to beauty care, delve into the multiple benefits of royal jelly. Learn how royal jelly can help you maintain health and vitality.)**

* **Focus:** More detailed, hinting at a comprehensive exploration of the topic.
* **Good For:** Attracting readers who are looking for more in-depth knowledge.

**Option 3 (Emphasizing a specific benefit):**

> 蜂王乳功效：探索蜂王乳對皮膚健康的益處，包括抗衰老、改善彈性、以及煥發肌膚光澤。

**(English Translation: Benefits of Royal Jelly: Explore the benefits of royal jelly for skin health, including anti-aging, improving elasticity, and revitalizing skin radiance.)**

* **Focus:** Highlights the cosmetic benefits.
* **Good For:** Targeting an audience interested in skincare and beauty.

**Option 4 (Informative and keyword-rich):**

> 蜂王乳功效解密：天然保健品，富含營養，對健康、美容都有顯著功效。了解蜂王乳的成分、如何食用以及其益處，如增強免疫力、抗衰老、改善皮膚等。

**(English Translation: Decoding the Benefits of Royal Jelly: A natural health product, rich in nutrients, with significant effects on health and beauty. Learn about the ingredients, how to consume it, and its benefits, such as boosting immunity, anti-aging, and improving skin.)**

* **Focus:** Comprehensive, containing keywords that can optimize search visibility.
* **Good For:** Ranking higher in search results, attracting a wide range of readers.

**Choosing the best option depends on your goals:**

* **SEO:** Option 4 is best.
* **General audience:** Option 1 or 2 are good starting points.
* **Targeted audience (beauty/skincare):** Option 3 would be most effective.

Remember to adjust the description to best reflect the content of your WordPress post! Good luck!