invest vt. 投资
The state has planned to invest two millions in the dam.
国家计划投资两百万元修建这个大坝。

【拓展词汇】
pension n.养老金，抚恤金

disability insurance伤残保险

survivor benefits遗属津贴(援助那些劳动力死亡的家庭)

unemployment benefits/compensation 事业保险

defined benefit plan养老金的固定受益计划