in the ballpark

基本解释

Somewhere in the ballpark of 70% of risk for Alzheimer's disease across a population is due to heredity.
某个地方在有患阿尔茨海默氏症可能的整个人群中差不多有70％出之于遗传。
Rewards / Miles Credit Cards - Typical rewards cards generally earn the consumer somewhere in the ballpark of 2% cash back.
积分/里程信用卡——典型的积分卡通常赚取消费者现金返还的2%。
Once performed, you can simply go to a relational database performance benchmark site and find systems in the ballpark range.
得到结果之后，只需访问一个关系数据库性能基准站点，查找能够满足需要的系统。

So what happens? He gets a title shot outdoors in the ballpark, and what do I get, a one-way ticket to Palookaville.
But the beauty in this calculation is it shows that this concept of electron sharing in an unequal manner is sound and it gets you into the right ballpark.
但在这个计算过程中,真正漂亮的是对电子,非平均共价的考虑很完全,从而指引我们向一个正确的方向思考。
麻省理工公开课 - 固态化学导论课程节选
If someone offers me an amount that is close to my selling price, I might say the amount is in the ballpark.

For individual humans, CAPTCHA solving accuracy on popular sites was in the ballpark of just 85%.
FORBES: Those Scrambled Word Tests For Stopping Spambots Are Tough For Humans Too