profit level的用法和样例：
例句
- Each strategy will result in a different profit level.
每个战略有一个不同的利润水平。 - The successful firm will want to replace those products whose profit levels make them marginal ventures with new lines of merchandise that have better profit potential.
成功的企业需要用有潜在的高额利润的新品种来替换那些利润水平只够勉强维持收人的产品。
