threshold audiogram

例句：

1. 1. The threshold for a new product launchis set at $5 million.
   新产品发布的门槛是500万美元。
2. 2. The researchteam found that the threshold for detectingdisease had been lowered.
   研究小组发现，检测疾病的门槛已经降低。
3. 3. The company's revenue has reached a new thresholdof $1 billion.
   公司的营收达到了10亿美元的新门槛。