Use 其中 to single out a part of a larger set. It often introduces a more specific detail after general data.
"其中住宅投资 7282 亿元，下降 10.7%，降幅收窄 5.6 个百分点。"
让 + someone + verb— Let/Cause StructureHSK 3
让 followed by a person and verb means “let/make someone do something” or “allow someone to do something.” It expresses causation or permission.
"36氪 APP 让一部分人先看到未来。"
...，但 ...— Contrast with 但HSK 3
Use 但 (but) to connect two clauses with a contrast. The second clause often opposes or limits what was said before.
"没有 App 的时代会到来，但 AI 杀不死软件 21 小时前。"
...了— Completion/Change Marker 了HSK 2
The particle 了 after a verb or clause shows that an action is completed or that there is a change. It often appears at the end of a sentence to mark a new situation.
"315 最全曝光：七大骗局触目惊心，很多人都中招了 4 小时前。"
Key Vocabulary
氪kè
小时xiǎo shíHSK1
hour
的deHSK1
(used at the end of a declarative sentence for emphasis)
前qiánHSK1
ago
月份yuè fènHSK4
month
国家统计局guó jiā tǒng jì jú
投资tóu zīHSK6
to invest
同比tóng bǐHSK7
(statistics) compared with the same period of the previous year; year on year; year over year