Here are a few options for a description for the WordPress post_tag “便利” (Biànlì – Convenient) in Traditional Chinese, catering to different tones and purposes:

**Option 1: Concise and Direct (Suitable for general use)**

* **中文:** 快速且容易使用。
* **Pinyin:** Kuàisù qiě róngyì shǐyòng.
* **English Translation:** Fast and easy to use.

**Option 2: Descriptive & Practical (Highlights benefits)**

* **中文:** 涵蓋各種方便生活、節省時間的工具或服務。讓您生活更輕鬆、更有效率！
* **Pinyin:** Hángài gèzhǒng fāngbiàn shēnghuó, jiéshěng shíjiān de gōngjù huò fúwù. Ràng nín shēnghuó gèng qīngsōng, gèng yǒuxiàolǜ!
* **English Translation:** Covering various life-convenient, time-saving tools or services. Making your life easier and more efficient!

**Option 3: Focusing on Accessibility & Usability (Especially good if the content is tech-related)**

* **中文:** 易於取得、操作簡單的資源。無論您身在何處，都能輕鬆使用。
* **Pinyin:** Yì yú qǔdé, cāozuò jiǎndān de zīyuán. Wúlùn nín shēn zài héchù, dōu néng qīngsōng shǐyòng.
* **English Translation:** Easily accessible and simple to operate resources. Easy to use wherever you are.

**Option 4: Short and Keyword-Focused (For SEO)**

* **中文:** 便利，輕鬆，快速
* **Pinyin:** Biànlì, qīngsōng, kuàisù
* **English Translation:** Convenient, easy, fast.

**How to choose the best option:**

* **Consider your audience:** Who are you writing for? Their level of knowledge of the subject matter and their desired tone will influence your choice.
* **Consider the content of your posts:** If you’re talking about online shopping, Option 2 might be best. If you’re discussing a new app, Option 3 is suitable.
* **Consider SEO needs:** If you are focused on SEO you may want to choose shorter, keyword-rich option like Option 4, or expand upon it for more context.

You can enter these descriptions directly into the “Description” field when editing the post tag in your WordPress backend. Remember that the field used for the description of your tags, the layout can vary based on your theme & plugins.