Listen to the short talk entitled "Focus on the Main idea."

Hints:

None?

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翻譯：melodyhan

能力有限，僅供參考。

The main idea of a paragraph is usually stated in what is called a topic sentence. More often than not, the topic sentence is the first sentence of a paragraph. It is followed by other sentences, containing supporting details. When a difficult idea is discussed or when the purpose of the paragraph is to persuade and convince, the topic sentence is sometimes placed at the end of the paragraph. If a paragraph has an implied main idea, it does not have a stated topic sentence. The main idea is hinted at by the sentences in the paragraph as a whole.
一篇文章的主旨一般都是在所謂的中心句中。通常，中心句都是一篇文章的第一句，隨后的句子用來闡釋和支持它。 如果一篇文章要闡述的觀點(diǎn)很復(fù)雜，或者文章是為了要進(jìn)行說服讀者，那么中心句則一般會(huì)放在段尾。 如果一篇文章的主旨是隱含在文章中的，那么就沒有什么中心句了。文章的主旨則要從整篇文章出發(fā)，從各個(gè)句子及句子的聯(lián)系中尋找線索。