effective-call meter

例句：

1. 1. The effectivenessof this new marketing strategy has been proven by the increased sales figures.
   这种新的市场营销策略的有效性已被增加的销售数字所证明。
2. 2. The efficiency of our production process has improved significantly since we implemented these new measures.
   自从我们实施了这些新措施，我们的生产过程的效率已经显著提高了。
3. 3.The effectiveness and efficiency of this software program have been well-received by users.
   这款软件程序的有效性和效率得到了用户的广泛认可。