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

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

> 各種精選優惠、促銷活動，讓您省更多！ (Guo zhong jing xuan you hui, cuo xiao huo dong, rang nin sheng geng duo!)
>
> *Translation: All kinds of selected discounts and promotions, saving you even more!*
>
> *Good for:* General use, focusing on savings.

**Option 2 (More Descriptive):**

> 在這裡，您可以找到最新、最全面的優惠方案，包括折扣、贈品、限時搶購等等。快來探索，享受超值購物體驗！ (Zai zhe li, nin ke yi zhao dao zui xin, zui quan mian de you hui fang an, bao kuo zhe kou, zeng pin, xian shi qiang gou deng deng. Kuai lai tan suo, xiang shou chao zhi gou wu ti yan!)
>
> *Translation: Here, you can find the latest and most comprehensive discount plans, including discounts, gifts, limited-time offers, etc. Come explore and enjoy a great value shopping experience!*
>
> *Good for:* Providing more information about the content within the tag.

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

> 想要以最划算的方式購買？我們的優惠方案涵蓋各種產品和服務，讓您享受物超所值的購物樂趣！ (Xiang yao yi zui hua suan de fang shi gou mai? Wo men de you hui fang an han gai ge zhong chan pin he fu wu, rang nin xiang shou wu chao suo zhi de gou wu le qu!)
>
> *Translation: Want to buy in the most cost-effective way? Our discount plans cover a variety of products and services, letting you enjoy the joy of value-for-money shopping!*
>
> *Good for:* Highlighting the value proposition.

**Option 4 (Focusing on Regular Updates):**

> 定期更新的優惠方案，讓您不錯過任何省錢的機會！ 密切關注我們的動態，抓住最新的折扣資訊！ (Ding qi geng xin de you hui fang an, rang nin bu cuo guo ren he sheng qian de ji hui! Mi qie guan zhu wo men de dong tai, zhua zhu zui xin de zhe kou zi xun!)
>
> *Translation: Regularly updated discount plans, so you don’t miss any opportunities to save money! Keep an eye on our updates to catch the latest discount information!*
>
> *Good for:* Encouraging users to check back often.

**How to Use These in WordPress:**

1. **Go to your WordPress admin panel.**
2. **Navigate to “Posts” > “Tags”.** (This might be under “Categories” if your theme uses “Categories” instead of “Tags” for this function)
3. **Find the tag “優惠方案” (or add a new one).**
4. **In the “Description” field, paste the text you choose.**
5. **Update the tag.**

Choose the description that best fits the tone and purpose of your website! Remember to consider your target audience when making your choice. Good luck!