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In grammar, a non-restrictive relative clause adds a fact about someone or something you already know. It does not point to which one you mean.
In grammar在文法上 a non-restrictive relative clause非限定關代子句 adds a fact about someone or something you already know是替你已經知道的人或事多加一個事實 It does not point to which one you mean它不是用來指出你說的是哪一個
In 'Perry, who is 22, was arrested yesterday,' we already know who Perry is; 'who is 22' is extra news, which is why it sits between . Take the clause out and the sentence still names the same person: 'Perry was arrested yesterday.' The opposite is a restrictive clause, which does the choosing: 'The student who is 22 was arrested' tells you which student, and there are no around it.
In 'Perry, who is 22, was arrested yesterday,'在「Perry, who is 22, was arrested yesterday」這句裡 we already know who Perry is我們已經知道 Perry 是誰了 'who is 22' is extra news「who is 22」只是額外補充的訊息 which is why it sits between commas這就是為什麼它夾在逗號中間 Take the clause out把這個子句拿掉 and the sentence still names the same person句子講的還是同一個人： 'Perry was arrested yesterday.'「Perry was arrested yesterday」 The opposite is a restrictive clause相反的是限定關代子句 which does the choosing它負責挑出是哪一個： 'The student who is 22 was arrested'「The student who is 22 was arrested」 tells you which student告訴你是哪個學生 and there are no commas around it而且前後沒有逗號
British often say non-defining (versus defining) relative clause — same idea. Though actually, speakers pause where the would go, but everyday writing is sloppy about this, and American classrooms are stricter than social media.
British schoolbooks often say英國教科書常說 non-defining (versus defining) relative clause non-defining（相對 defining）relative clause — same idea概念一樣 Though actually不過其實 speakers pause where the commas would go說話時會在逗號該出現的地方停頓 but everyday writing is sloppy about this不過日常寫作在這方面不太講究 and American classrooms are stricter than social media而美國課堂比社群媒體要求得更嚴格
Outside grammar, non-restrictive can just mean 'not tight with rules,' but that use is much rarer.
Outside grammar在文法之外 non-restrictive can just mean 'not tight with rules,'non-restrictive 可能就只是指「不嚴格照規矩來」 but that use is much rarer不過這種用法少見得多
組成non- (not) + restrictive (limiting which person or thing you mean). Restrictive comes from restrict, 'to limit.'
同家族的字
- restrictivethe opposite kind of clause: it limits which one you mean
- restrictto limit
原始詞典資料1 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。
這個拼法也被記錄為下列字的變化形：
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。