从认识到会用（作业）
1）翻译下面的句子：
这个决定是权衡效率和成本后的结果。
This decision is a trade-off between efficiency and cost.
2）造句：
背景：利弊权衡之后，最终水电站项目还是通过了，尽管势必是会对周边自然保护区的野生动物有所影响。
造句：
After a trade-off between short-term economic interests and long-term environmental benefits, they finally approvaled the project of hydropower station，which would surely exert a negative impact on wildlife in the natural reserve nearby.
