• 1. 写主题句: Writing the Topic Sentence | Writing Topic Sentences
• 2. 如何撰写主题句: Writing Topic Sentences
• 3. 如何写好主题句: Topic Sentence Writing

更多释义

• 1.它省去了常规的称呼和信尾的客套话，但是要在本来该写称呼的地方增加一句表明信的内容的主题句。
  It leaves out the conventional salutation and complimentary close, invariably containing a subject line in lieu of the salutation indicating what the letter is about.
  dict.yoduao.com
• 2.次段写此类承诺形成的原因，在主题句后分两方面来说。
  Such promises, absurd and ridiculous even at the first sight, come into being mainly for two reasons.
  dict.yoduao.com

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