即使第二个句子比第一个长了差不多30%，两个句子说出 来用的时间都是差不多的，这是因为他们都有5个重读的词（划线的部分）。
Even though the second sentence is approximately 30% longer than the first, the sentences take the same time to speak. This is because there are 5 stressed words in each sentence.
同样，重读词组里一个或几个单词、句子也表明这些单词是重要的。
Stressing a word or words in phrases or sentences indicates the importance of those words.
读单词，恰当的重读和正确语调并且选择能够很好的表达你的目的单词句子，这也是你的一种能力。
It's your ability to pronounce words, use the correct stress and intonation and select words that are appropriate for your purpose.
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