动词 + 至 + 数量／时间
to (a new level or date): gives the end point of a change
Structure
（由 原来的数量） + 动词（延、增、降、提高、下调、推迟） + 至 + 新的数量／时间
What it means
至 is the written 到 after a verb of change: it gives where the change ends up, a new level (增至, 降至) or a new date (延至, 推迟至).
How it is built
（由 old figure）+ verb + 至 + new figure or date: 基本减除费用由每月3500元提高至5000元 (The basic deduction was raised from 3,500 to 5,000 yuan a month).
When to use it
The voice of finance, news and official notices; in speech say 涨到, 降到, 推迟到. Mind 增至 and 增加: 增至一万 gives the new total (rose to 10,000), 增加了一万 the change (rose by 10,000).
Watch out
至 normally takes no 了: ✗ 降至了5% ✓ 降至5%. Do not confuse it with 截至, which marks the cut-off date of a count (截至6月底).
Examples
年终奖单独计税的政策已延至2027年底。
The option of taxing the year-end bonus separately has been extended to the end of 2027.
2018年，个税的基本减除费用由每月3500元提高至5000元。
In 2018 the basic deduction for income tax was raised from 3,500 to 5,000 yuan a month.
今年以来，这家银行已经把一年期存款利率降至1.1%。
Since the start of the year the bank has cut its one-year deposit rate to 1.1 per cent.
Learn this in Lesson 201 · HSK 7–9: 读懂工资条 (Reading your payslip)
A dialogue, a reading, word cards with audio and a drill that uses it, in Learn Chinese with Bao. The first lessons of every level are free.
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