Total Operating Expense的用法和样例：
例句
- Funds for basic research and applied basic research shall account for an appropriate proportion in the total funds for research and development.
基础研究和应用基础研究经费在研究开发经费总额中应当占有适当比例。 - It has been estimated that immediately after the war,the United States research budget approached half of the total research support of the whole world.
据估计，大战结束后不久，美国的科研预算已达到当时全世界研究经费总额的一半。
