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Grammar Points
以 + verb— Purpose with 以HSK 5
Using 以 before a verb expresses purpose, similar to “in order to” in English. It often appears before another verb or clause that describes what the speaker hopes to achieve.
"以应对行业挑战，避免关闭工厂。"
...并...— Connecting actions with 并HSK 4
并 is used to connect verbs or clauses that describe two related actions, often emphasizing that they happen together or sequentially. It’s more formal than just using 和.
"计划对老员工进行再培训，并在老旧芯片制造工厂引入机器人。"
截至 + 时间— Time limit with 截至HSK 5
截至 is used before a time expression to indicate “up to” that time, often to report data or a cutoff point.
"截至2026年3月6日，股票私募仓位指数升至82.64%。"
同时— Simultaneous/Additional actionHSK 4
同时 connects two clauses to indicate that two actions happen at the same time or to add another related point, similar to “at the same time” or “meanwhile.”
"仓位指数同时创下近11周新高。"
...是...的结果— Result attributionHSK 4
This structure explains the cause of something. The sentence states that the first clause is the result of the second clause, often used in formal reporting or explanations.