level of prices at wholesale

例句：

1. 1. The level of the water is too high for swimming.
   水的深度太高，不适合游泳。
2. 2. The company's performance has improved significantly since the new CEO took office.
   自从新CEO上任以来，公司的绩效有显著提高。
3. 3. The price level has been rising steadily since the beginning of the year.
   自年初以来，价格水平一直在稳步上升。