He has collected many proverbs and popular sayings that relate to the weather. 他收集了許多有關天氣的諺語和俗語。
Only a tiny number of the speakers of any language will be aware that they are using colloquial or slang expressions. 不論何種語言，只會有很小一部分使用者能夠意識到他們是在使用俗語或俚語。
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