weigh的来源：来自于单词weight(重量)
例句
1.
You must weigh the benefits against the cost.
你一定要权衡利益与成本二者的得失。
2.
I weighed the benefits of the plan against the risks involved.
我认真权衡了这个计划的优点和有关的风险。
3.
Finally the government weighed in with financial aid.
最后政府提供了财政支援。
