Grammar Point:In Chinese, 由 yóu is often used to indicate “by” in the sense of agency, responsibility, or cause. It is commonly seen in formal writing or official contexts rather than casual speech. Structure 由 yóu + Starting Point/Route/Method + V 由 yóu is a more formal alternative to 從 cóng when indicating route, means, or direction. It’s commonly used in instructions, signs, and formal descriptions to…
