C1 大约，…左右
approximately
They estimate that the temperature yesterday was (somewhere) in the region of -30°C. 他们估计昨天的气温在零下30摄氏度左右。
It will cost something in the region of $1 million. 花费估计为100万美元左右。
It says on the website "Currently accepting offers in the region of £700,000."
The fees were thought to be somewhere in the region of $70,000.
It's estimated that the writer's diary will fetch in the region of $30,000 at auction.
She accepted a payoff which was reportedly in the region of £2 million.
See also: region