這個東西怎麼運作
補的缺口從「為什麼」換成「怎麼回事、怎麼操作」：不牽涉誰要負責，只是把事情講到聽得懂。
account of how something works · noun · B1
A statement or piece of writing that helps people understand how something works.
說明／解說
核心畫面
Picture a gap in someone's head — something happened and they cannot see why — and picture words being laid across that gap until it closes. An explanation is whatever fills the gap. Sometimes the gap is "why did this happen?", sometimes it is "how does this thing work?", and the same word covers both.
可以想成：對方腦中有一個缺口——事情發生了，但他看不出來為什麼——然後你用話把那個缺口一段一段補起來。explana…更多收起
可以想成：對方腦中有一個缺口——事情發生了，但他看不出來為什麼——然後你用話把那個缺口一段一段補起來。explanation 就是拿來補缺口的東西。有時候缺口是「這件事怎麼會這樣？」，有時候是「這個東西怎麼用？」，英文都用同一個字。差別只在缺的是原因，還是操作方法。From the picture
Also in this word
reason given · noun · B1
What someone offers as the reason for something that happened, or for what they did.
解釋／理由
原始詞典資料3 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
explanationnoun/ˌɛkspləˈneɪʃən/
- 1
The act or process of explaining.
- The explanation was long and drawn-out.
- 2
Something that explains or makes understandable.
- An explanation for the UFO sightings was easily found.
- The socialist will, of course, see in this merely a proof that the more intelligent person is today bound to become a socialist. But this is far from being the necessary or even the most likely explanation.
- 3
A resolution of disputed points pursuant to discussion; a mutual clarification of disputed points; reconciliation.
- This little explanation with Mr. Knightley gave Emma considerable pleasure.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。