The Preposition "从" (cóng)

In Mandarin Chinese, the preposition "从" (cóng) is used to indicate the starting point of movement or time, as well as to denote origin or beginning of something.

Usage:

• Indicating Starting Point of Movement: The preposition "从" is used to indicate the starting point of movement or initial location.
  • 我从家里出发了。(Wǒ cóng jiā lǐ chūfā le.) - I departed from home.
• Denoting Origin or Beginning: It can also be used to denote origin or beginning of something.
  • 从中国来的学生。(Cóng zhōngguó lái de xuéshēng.) - Student who comes from China.

Examples:

• 从这个角度看，问题并不难。(Cóng zhège jiǎodù kàn, wèntí bìng bù nán.) - From this perspective, the problem is not difficult.
• 她从小就喜欢音乐。(Tā cóng xiǎo jiù xǐhuān yīnyuè.) - She has liked music since childhood.

Additional Notes:

• The preposition "从" has various meanings depending on context, so it's important to consider its usage in the sentence.
• It's commonly used to indicate direction or starting point in movement, as well as to denote origin or source of something.