https://www.grammar-monster.com/glossary/punctuation.htm
You can get your answer here.
你好，你想知道什么?
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Answer:
Topic The topic is the general subject of a paragraph or essay. Topics are simple and are described with just a word or a phrase. Main Idea The main idea is a complete sentence; it includes the topic and what the author wants to say about it.
Explanation:
Hope this helps you :)
Poetry in English about my girlfriend<span>
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