Here are a few options for the WordPress post_tag description, catering to different needs:

**Option 1 (Concise and General):**

> 探索與旅遊相關的補助資訊，包括政府、民間機構提供的各種優惠與資助。

* **Translation:** Explore information related to travel subsidies, including various discounts and financial assistance offered by the government and private organizations.
* **Good for:** Providing a broad overview and targeting users seeking general subsidy information.

**Option 2 (Focus on Financial Aid):**

> 了解各種旅遊補助的申請資格、流程與金額，幫助您減輕旅行的經濟負擔，盡情享受美好旅程。

* **Translation:** Learn about the application qualifications, procedures, and amounts of various travel subsidies, helping you reduce the financial burden of travel and enjoy a wonderful trip to the fullest.
* **Good for:** Emphasizing the financial benefits and attracting users focused on cost savings.

**Option 3 (Highlighting Government Assistance):**

> 彙整最新的政府旅遊補助方案，包含振興觀光、住宿優惠、交通補助等，助您聰明規劃您的旅程。

* **Translation:** Compile the latest government travel subsidy programs, including revitalizing tourism, accommodation discounts, transportation subsidies, etc., to help you plan your trip smartly.
* **Good for:** Focusing on government initiatives and attracting users interested in official programs.

**Option 4 (Broader Scope and Context):**

> 蒐集所有與「旅遊補助」相關的資訊，包括政府、民間團體、飯店旅館等提供的補助與優惠，幫助您規劃更划算、更便利的旅行。

* **Translation:** Collect all information related to “Travel Subsidies,” including subsidies and discounts offered by the government, private groups, hotels, and other organizations, helping you plan a more cost-effective and convenient trip.
* **Good for:** Offering a broader scope, encompassing all types of subsidies and benefits.

**How to choose the best option:**

* **Consider your target audience:** Who are you trying to reach? What are their needs?
* **Think about the content of your posts:** What kind of information are you providing?
* **Keep it concise and informative:** The description should clearly explain what the tag covers.

You can paste the chosen description directly into the “Description” field when creating or editing the post tag in your WordPress admin panel. Also make sure you translate this into traditional Chinee if the site settings are to be different.