“同比” means “compared with the same period last year.” It often appears with verbs like “增长” or “下降” plus a percentage to describe statistical changes.
"国家统计局：1—2 月份规上工业天然气产量 446 亿立方米，同比增长 2.9%。"
"国家统计局：1—2 月份规上工业原油产量 3573 万吨，同比增长 1.9%。"
已 + verb— Already completed actionHSK 3
“已” before a verb emphasizes that an action has already been completed. It is formal but useful in news and reports.
"8 点 1 氪丨知名连锁店被曝大规模销售假烟，已查获非法卷烟 139.99 万支。"
让 + person + verb— Causative let/makeHSK 3
“让”＋人＋动词 means to let or cause someone to do something. It often introduces the beneficiary or the person affected by an action.
"36 氪 APP 让一部分人先看到未来。"
被 + verb— Passive voiceHSK 4
“被” is used to form passive sentences where the subject receives an action. It is common in news when describing events that happen to someone or something.
"8 点 1 氪丨知名连锁店被曝大规模销售假烟，已查获非法卷烟 139.99 万支。"
Key Vocabulary
氪kè
小时xiǎo shíHSK1
hour
的deHSK1
(used after an attribute when it modifies a noun)
产量chǎn liàngHSK5
output
前qiánHSK1
月份yuè fènHSK4
month
同比tóng bǐHSK7
(statistics) compared with the same period of the previous year; year on year; year over year