Proper Nouns: Capitalization Rules and Uses
先写下记得的内容，再查看解释。不要填写个人信息。
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A proper noun provides a unique personal, geographical, or institutional identity. A common noun classifies items into general groups. For example, building represents a broad category that includes millions of physical structures worldwide. In contrast, Empire State Building identifies one specific skyscraper in New York City.
Sonia registered for a French literature seminar in Montreal.