大数据 (dà shùjù)

Big data refers to extremely large data sets that are analyzed computationally to reveal patterns, trends, and associations, especially relating to human behavior and interactions.

Meanings

[noun] big data; massive collections of digital information processed for insight

Example Sentences

大数据正在改变我们的生活方式。 Dà shùjù zhèngzài gǎibiàn wǒmen de shēnghuó fāngshì. Big data is changing the way we live.

政府利用大数据来预测交通拥堵。 Zhèngfǔ lìyòng dà shùjù lái yùcè jiāotōng yōngdǔ. The government uses big data to predict traffic congestion.

大数据分析帮助企业了解消费者需求。 Dà shùjù fēnxī bāngzhù qǐyè liǎojiě xiāofèizhě xūqiú. Big data analysis helps businesses understand consumer needs.

在医疗领域，大数据可以加速新药的研发。 Zài yīliáo lǐngyù, dà shùjù kěyǐ jiāsù xīnyào de yánfā. In the medical field, big data can accelerate the development of new drugs.

保护个人隐私是大数据时代的重要课题。 Bǎohù gèrén yǐnsī shì dà shùjù shídài de zhòngyào kètí. Protecting personal privacy is an important issue in the age of big data.

他在大学专攻大数据技术。 Tā zài dàxué zhuāngōng dà shùjù jìshù. He majors in big data technology at university.

Collocations

Collocation	Meaning
大数据分析 (dà shùjù fēnxī)	big data analysis
大数据技术 (dà shùjù jìshù)	big data technology
大数据时代 (dà shùjù shídài)	the era of big data
利用大数据 (lìyòng dà shùjù)	to utilize big data
大数据平台 (dà shùjù píngtái)	big data platform
大数据安全 (dà shùjù ānquán)	big data security

Usage Notes

大数据 is a compound noun formed from 大 (big/large) and 数据 (data). It is primarily used in technology, business, and academic contexts. The term has gained wide usage in China as the country invests heavily in data-driven industries.

At B2 level, learners should note that 大数据 often collocates with verbs like 利用 (to use/leverage), 分析 (to analyze), 处理 (to process), and 挖掘 (to mine). It is a formal term most common in written and professional speech.

Memory Hook

Think of 大 (big) + 数据 (data) -- a giant mountain of numbers that, when examined, reveals hidden truths about the world.