or: 或者,否则,常用于否定句中 I don't like apples or bananas. Hurry up or you'll miss the bus. and: 并且,Hurry up and you'll catch the bus.
expenditure: 支出,花费 subsidy: 补助 investment: 投资 revenue: 税收
structure: 结构 system: 系统 heritage: 遗产