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Grammar Points
在…后…— sequence with 后HSK 3
Use “后” (or “之后”) to stress that the second action happens after the first; the verb before “后” is often in a similar format so learners can practice chaining steps.
"打开微信“扫一扫”，打开网页后点击屏幕右上角分享按钮。"
正在 + Verb— progressive actionHSK 3
“正在” marks an action in progress; it’s common in news/readings to describe ongoing trends and lets learners contrast it with simple present verbs.
Pair verbs with numeric complements to describe how much something moves (“跌超6%”、“低开0.27%”); it’s essential for reports and expressing quantitative change.
"协鑫集成、卓易信息跌超6%。"
"沪指低开0.27%，深成指低开1.16%，创业板指低开1.61%。"
被 + agent + Verb— passive 被HSK 4
Use “被” to introduce the agent doing an action when the focus is on the patient; common in media reports like this text.
"Claude被特朗普封杀24小时登顶App Store，CEO含泪首发声1小时前。"
…、…（和…）— enumeration with、/和HSK 2
Use “、” or “和” to list multiple nouns/phrases in one sentence; learners see it serve for sectors, features, or services in business writing.