v. require as useful, just, or proper
v. cause to be a concomitant
vt. 迫使, 使成为必需, 需要
1. The heavy rain may necessitate a change in our outdoor plans.
大雨可能会导致我们改变户外计划。
2. The new policy will necessitate additional training for all employees.
新政策将需要对所有员工进行额外培训。
3. Building a new road will necessitate the removal of some trees.
建造新道路将需要移除一些树木。