Here are a few options for the WordPress `post_tag` description for the tag “搭乘” (Dāchéng) – which means “To take a ride” or “To board” in Traditional Chinese – along with rationales to help you choose the best fit for your specific content:

**Option 1: Concise & Practical (Best for broader content use)**

* **Description:** 描述有關搭乘交通工具、搭乘體驗及相關事物的文章。 (M描述有關搭乘交通工具、搭乘體驗及相關事物的文章.)
* **Translation:** Descriptions of articles related to taking transportation, riding experiences, and related topics.
* **Rationale:** Brief, to the point, and covers a wide range of content potentially associated with the tag. Good for general use.

**Option 2: Focus on Transportation (If your blog frequently discusses modes of transport)**

* **Description:** 標記關於搭乘交通工具的文章，包括火車、巴士、飛機等。 (標記關於搭乘交通工具的文章，包括火車、巴士、飛機等.)
* **Translation:** Tagged articles about taking transportation, including trains, buses, airplanes, etc.
* **Rationale:** More specific, highlighting the focus on *modes* of transportation. Useful if your blog primarily deals with travel or transport.

**Option 3: Emphasis on Experience & Journey (If content has a narrative/experiential slant)**

* **Description:** 分享搭乘旅程、乘坐體驗與冒險的文章。 (分享搭乘旅程、乘坐體驗與冒險的文章.)
* **Translation:** Articles that share stories of journeys, riding experiences, and adventures.
* **Rationale:** Evokes a sense of travel and adventure, suitable if your blog focuses on personal accounts or travelogues.

**Option 4: Simple & Basic (Good for simplicity)**

* **Description:** 關於搭乘的文章. (關於搭乘的文章.)
* **Translation:** Articles about taking transport.
* **Rationale:** Very direct and easy to understand. Suitable for very quick setup.

**Option 5: Combining Chinese and English (Good for SEO and International Audience)**

* **Description:** 關於搭乘交通工具、旅遊及搭乘體驗的文章。 (關於搭乘交通工具、旅遊及搭乘體驗的文章。) Articles about boarding transportation, travel, and riding experiences.
* **Translation:** (Included above)
* **Rationale:** Uses both Chinese and English for better SEO and clarity. Especially useful if your audience may be a mix of language speakers.

**How to Choose:**

* **Content Focus:** What kind of content primarily uses this tag? Travel narratives? Reviews of public transit? Technical discussions about vehicle maintenance?
* **Target Audience:** Do you prefer to target a more exclusively Chinese-speaking audience? Mixed audience?
* **SEO Considerations:** A description that includes a keyword like “travel” or “交通工具” can help search engines understand the tag’s relevance.

**To Implement in WordPress:**

1. **Go to your WordPress Dashboard.**
2. **Navigate to Posts > Tags.**
3. **Find the tag “搭乘” in the list.**
4. **Click “Edit” (or click on the tag name itself).**
5. **In the “Description” field, paste the description you’ve chosen.**
6. **Click “Update.”**

I recommend **Option 1** as a good starting point because of its broad applicability. However, adjust it according to your specific content needs. Remember to be consistent with your descriptions throughout your blog to help your readers and search engines understand your content better.