I guess something in the vicinity of 30 or 40 would be good. 大约30美元或40美元
The stolen car was found in the vicinity of the station. 被盗汽车在车站附近被发现。
All meteorites are of the same age, somewhere in the vicinity of 4.5 billion years old. 所有陨石年代都差不多，大概都是45亿年左右。
There is no hospital in the immediate vicinity. 附近没有医院。