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同比 (tóng bǐ) — year-on-year; compared with the same period of the previous year

Definition

同比 compares a figure to the same period one year earlier (year-on-year). To compare with the immediately preceding period (month-on-month, etc.), use 环比.

verb
year-on-yearcompared with the same period of the previous year

Examples

  • GDP同比6.5%。
    Jīn nián dì yī jì dù GDP tóng bǐ zēng zhǎng le 6. 5%.
    In the first quarter of this year, GDP grew 6.5% year-on-year.
  • 同比10%。
    Zhè jiā gōng sī dì èr jì dù lì rùn tóng bǐ xià jiàng le 10%.
    This company's second-quarter profit fell 10% year-on-year.
  • 同比。
    tóng bǐ Shù jù duì fēn xī shì chǎng qū shì hěn zhòng yào.
    Year-on-year data is very important for analyzing market trends.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

同tóngsame
比bǐcompare

同 points to the same period, 比 to comparison, giving year-on-year comparison.

Characters in this word

A drawing of the thing itself, worn down over three thousand years into a few strokes.

同 originally drew a pipe. It is the old form of 筒.

Open 同 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

  • 匕匕bǐ
  • 匕匕bǐ

比 is two 匕 placed side by side. Chu Wan-li treats both as sound parts, while an old reading takes the side-by-side arrangement as putting things next to each other.

Open 比 →
Appears in
HSK 3.0 Level 7-9

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