Here are a few options for the `post_tag` description “提升免疫” in Traditional Chinese, ranging in length and emphasis:

**Option 1 (Concise):**

> 促進身體抵抗力，增強免疫系統功能。

> *Translation: Promote the body’s resistance, enhance the function of the immune system.*

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

> 關於增強免疫力的資訊，包括飲食、生活習慣和保健方法，幫助你提升免疫力，保護健康。

> *Translation: Information on boosting immunity, including diet, lifestyle habits, and health methods, to help you improve your immunity and protect your health.*

**Option 3 (Emphasis on Action):**

> 提升免疫力，掌握健康關鍵！ 探索各種方法，如均衡飲食、規律運動、充足睡眠，積極保護身體抵抗力。

> *Translation: Enhance your immunity, grasp the key to health! Explore various methods, such as a balanced diet, regular exercise, ample sleep, and actively protect your body’s resistance.*

**Option 4 (Focus on Holistic Health):**

> 透過天然方法，全面提升免疫力，促進整體健康。涵盖身心平衡、健康飲食及生活習慣，讓你擁有更強大的健康防護罩。

> *Translation: Through natural methods, comprehensively enhance immunity and promote overall health. Including body-mind balance, healthy diet and lifestyle habits, allowing you to have a stronger health shield.*

**Which to Choose:**

* **Option 1:** Best for brevity and a quick understanding.
* **Option 2:** Provides a bit more context, useful for a broad audience.
* **Option 3:** Action-oriented and motivating.
* **Option 4:** Emphasizes a holistic approach to well-being, suitable if your content focuses on a broader understanding of health.

The best choice depends on your specific website and the context of the tags. Consider what kind of content you are writing about and the intended tone you aim for.