Here are a few description options for the WordPress post_tag “賣出” (Mài Chū – To Sell) in Traditional Chinese, depending on the desired emphasis:

**Option 1 (Short & Sweet):**

* **Description:** 標示與銷售相關的文章。 (Biāo shì yǔ xiāo shòu xiāng guān de wén zhāng.) – **Tags content related to sales.**

**Option 2 (Slightly More Descriptive):**

* **Description:** 標示包含商品出售、交易、促銷等涉及出售事宜的文章。 (Biāo shì bāo hán shāng pǐn chū shòu, jiāo yì, cù xiāo děng shè jí chū shòu shì yí de wén zhāng.) – **Tags articles involving product sales, transactions, promotions, and other selling-related topics.**

**Option 3 (Focus on Action):**

* **Description:** 標示文章中物品或服務被成功售出的內容。 (Biāo shì wén zhāng zhōng wù pǐn huò fú wù bèi chéng gōng shòu chū de nèi róng.) – **Marks content where goods or services are successfully sold.**

**Option 4 (More Broad):**

* **Description:** 用於分類和標示與銷售、交易及銷售相關的任何信息的文章。 (Yòng yú fēn lèi hé biāo shì yǔ xiāo shòu, jiāo yì jí xiāo shòu xiāng guān de rèn hé xìn xī de wén zhāng.) – **Used to categorize and tag posts related to sales, transactions, and any information related to selling.**

**Which one to choose depends on the type of content you’re tagging:**

* **Option 1** is good for general use and if space is limited.
* **Option 2** is suitable if your website covers various selling aspects.
* **Option 3** emphasizes the action of “selling”.
* **Option 4** works if you have a broad range of content related to sales.

Remember to choose the description that best reflects the content you’re tagging! You can also adapt these to be even more specific to your website’s niche.