Here are a few options for a WordPress post_tag description in Traditional Chinese, depending on the focus you want to give:

**Option 1: General & Concise**

* **Description:** 適合旅遊的繁忙時節。 (Suitable for busy travel seasons.)

**Option 2: Emphasizing the Rush**

* **Description:** 旅遊人潮眾多的高峰期，請做好充分準備。 (The peak season with a lot of tourists, please prepare thoroughly.)

**Option 3: Focus on Planning**

* **Description:** 規劃旅遊行程時，請考慮避開此旺季，或提前預訂。 (When planning travel itineraries, please consider avoiding this peak season, or booking in advance.)

**Option 4: Broader scope**

* **Description:** 指的是一年中旅遊需求量大的時期，各地旅遊景點通常都擠滿遊客。 (Refers to periods of high travel demand during the year, when various tourist attractions are generally crowded with visitors.)

**Key elements to consider when choosing:**

* **Target Audience:** Who are you writing for? Are they experienced travelers or beginners?
* **Post Content:** How does this tag relate to the specific posts you’re tagging? Is it about dealing with crowds, planning ahead, or something else?
* **SEO:** Keep it relevant and use concise language like the above choices.

Choose the one that best matches your specific needs and the overall tone of your blog. Good luck!