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Grammar Points
允许 + noun + verb— Allowing actionHSK 3
Use 允许 (allow/permit) before a person or group and an action to say someone is permitted to do something. Learners can follow this pattern to talk about granted permissions.
"该功能允许用户一键上架商品。"
Verb + 后 + clause— After doing somethingHSK 2
Use 后 after a verb phrase to link two actions in sequence: first do the verb, and after that the following clause happens.
"打开网页后点击屏幕右上角分享按钮。"
"上传商品图片后，Meta AI可自动生成草稿列表。"
由 + agent + verb— Driven by / Passive agentHSK 5
Use 由 before an agent to say something is done by that person or thing, often to describe features driven or supported by someone/something else.
"Meta在Facebook Marketplace上推出由Meta AI驱动的新功能。"
"该功能允许用户一键上架商品，并由AI辅助回复买家咨询。"
Subject + 走 + adjective— Trend descriptionHSK 4
Use 走 + adjective (走强/走弱) after a subject to describe whether the trend is getting stronger or weaker. It is commonly used in financial news to describe market movement.
"通信设备板块走弱。"
"电力、网络游戏、能源板块走强。"
Verb + 超 + number + %— Exceeding degreeHSK 4
Use verbs like 跌/涨 with 超 plus a percentage to indicate the change exceeds a certain amount.