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Grammar Points
由…V— agentive passiveHSK 5
Use “由” to introduce the agent in a passive sentence: the action happens to the subject and the doer follows “由”. It’s common in formal or written Chinese.
"该公司由汇丰保险经纪大中华有限公司全资持股。"
由…增至…— increase from…to…HSK 5
Expresses a quantitative change by pairing “由” before the original amount and “增至” before the new amount.
"注册资本由约25.17亿元人民币增至约26.5亿元人民币。"
将…升级为…— upgrade to…HSK 5
“将” introduces the object being transformed, followed by “升级为” to indicate it is being upgraded or converted into a new state.
"将原本繁琐的人工沟通流程升级为自动化闭环。"
可+verb— expressing ability/possibilityHSK 5
“可” before a verb highlights that something is possible or allowed; in modern writing it often introduces capabilities or potential functions.
"该平台可直接基于预先纳入的数据库处理初步尽调问询。"
让+object+verb— let/make someone do somethingHSK 3
“让” means to enable or cause someone or something to do an action. It’s a basic causative pattern for describing permissions or effects.