Here are a few options for the WordPress post tag description for “沒收到” (Méi shōu dào), depending on the context and goal of the post:

**Option 1: General & Simple**

* **Description:** 指未收到的事物或訊息。 (Refers to items or messages that were not received.)

* **Why:** This is a broad and easy to understand description that applies to any situation discussing something that was not received.

**Option 2: Focused on Orders/Packages**

* **Description:** 形容未收到訂單、包裹或郵件的情況。 (Describes the situation of not receiving an order, package, or mail.)

* **Why:** This is suitable if the post primarily deals with issues related to missing deliveries.

**Option 3: Focused on Digital Communications (Messages, Emails)**

* **Description:** 解釋未收到電子郵件、訊息或其他線上訊息的情況。 (Explains the situation of not receiving emails, messages, or other online communications.)

* **Why:** Best if the post discusses problems with digital delivery (e.g., spam filters, technical issues)

**Option 4: More Detailed and Explanatory**

* **Description:** 表示某物、資訊或郵件未能順利抵達收件人手中。可能的原因包括寄送錯誤、寄送遺失、技術問題或收件人問題。 (Indicates that an item, information, or mail did not successfully reach the recipient. Possible reasons include shipping errors, lost mail, technical problems, or recipient issues.)

* **Why:** This is the most informative option, providing context about potential causes for the lack of receipt. It helps search engines understand the topic more clearly.

**How to choose the best description:**

* **Consider the post’s topic:** Does it discuss shipping, digital communication, or a broader range of undelivered items?
* **Think about keywords:** Use terms that people might search for when looking for solutions.
* **Keep it concise and clear:** The description shouldn’t be longer than a sentence or two.

**Important Note:** When inputting the description into WordPress, make sure your theme supports the display of tag descriptions. You might also want to consider including a relevant image for the tag if your theme allows.