Here are a few options for the WordPress post tag description, ranging from simple to more descriptive, tailored to a tag titled “機上” (with the meaning of “on board” or “in the air”):

**Option 1: Simple & Concise**

* **Description:** 關於飛行旅程、機上體驗的相關文章與內容。 (Articles and content related to flight journeys and on-board experiences.)

**Option 2: Slightly More Detailed**

* **Description:** 記錄飛行途中的所有事物，包括機上娛樂、餐飲、座位體驗，以及飛行中的風景。 (Documents everything during a flight, including in-flight entertainment, food and beverage, seating experiences, and the scenery during the flight.)

**Option 3: Focusing on Content Focus (If applicable)**

* **Description:** 分享機上生活點滴，如飛行安全、旅客須知、特別服務，以及飛行體驗心得。 (Sharing aspects of on-board life, such as flight safety, passenger guidelines, special services, and reviews of flight experiences.)

**Option 4: Emphasizing a Broad Scope**

* **Description:** 所有關於飛行、空運、空中旅行的相關資訊，包含機上體驗、航空公司、飛行安全等。 (All information related to flights, air transport, and air travel, including on-board experiences, airlines, flight safety, etc.)

**Key considerations for choosing the best description:**

* **The content of your blog:** Does your blog include reviews, travel tips, technical information, or a mix? Tailor the description to match.
* **Your target audience:** Are you aiming for a broad audience or a more niche group?
* **SEO:** While tag descriptions don’t carry the same weight as post titles or overall meta descriptions, they can contribute to search engine optimization. Consider including relevant keywords.
* **Readability:** make sure the description is easy to understand and clear for your audience.

I recommend choosing the one that best fits the content of your blog and helps readers understand what kind of content they can expect to find under the “機上” tag. You can also use a combination of a short description and additional keywords.