Here are a few options for a WordPress post_tag description for “使用障礙” (Shǐyòng zhàng’ài – Usage Barrier/Difficulty), catering to different purposes:

**Option 1: Concise and Technical:**

* **Description:** 探討使用者在使用產品、服務或系統時遇到的困難或限制。 (Tàn tǎo shǐ yòng zhě zài shǐ yòng chǎn pǐn, fú wù huò xì tǒng shí yù dào de kùn nán huò xiàn zhì.) – *Examines the difficulties or limitations users encounter when using products, services, or systems.*

**Option 2: More Explanatory:**

* **Description:** 列出並分析各種可能阻礙使用者順利使用產品或服務的因素，包括介面設計、功能複雜度、流程步驟等。 (Liè chū bìng fēn xī gè zhǒng kě néng zǔ ài shǐ yòng zhě shùn lì shǐ yòng chǎn pǐn huò fú wù de yīnsù, bāo kuò jiè miàn shè jì, gōng néng fù zá dù, liú chéng bù zhòu děng.) – *Lists and analyzes various factors that may hinder users from smoothly using products or services, including interface design, feature complexity, and process steps.*

**Option 3: User-Centric:**

* **Description:** 這裡分享使用者在使用各種產品、服務或科技時，可能遇到的挑戰、困擾與解決方案。 (Zhè lǐ fēn xiǎng shǐ yòng zhě zài shǐ yòng gè zhǒng chǎn pǐn, fú wù huò kē jì shí, kě néng yù dào de tiǎo zhàn, kùn rǎo yǔ jiě jué fāng àn.) – *Here, we share the challenges, difficulties, and solutions that users may encounter when using various products, services, or technology.*

**Option 4: Focusing on Accessibility (If relevant):**

* **Description:** 關注如何克服使用障礙，確保所有使用者，包括身心障礙者，都能順利使用產品和服務。 (Guān zhù rú hé kè fú shǐ yòng zhàng’ài, què bǎo suǒ yǒu shǐ yòng zhě, bāo kuò shēn xīn zhàng ài zhě, dōu néng shùn lì shǐ yòng chǎn pǐn hé fú wù.) – *Focuses on how to overcome usage barriers to ensure all users, including those with disabilities, can successfully use products and services.*

**Which Option to Choose:**

* **Option 1** is the most direct and efficient, suitable if you primarily want to categorize posts quickly.
* **Option 2** provides more context and is good for informing visitors what the tag represents.
* **Option 3** is more user-friendly and can attract users interested in user experience.
* **Option 4** is crucial if your blog content deals specifically with accessibility.

Choose the description that best reflects the *content of your blog* and the *purpose of the tag*. You can also customize any of these options to tailor it even further. Good luck!