research cost的用法和样例：
例句
- He says that time spent by divers in the water is critical in terms of research costs and the threat of nitrogen narcosis.
他说，就研究费用和氮麻醉的威胁来说，潜水员在水中的时间是至关重要的。 - The strategy of those funding research to accept publishing costs as a fixed item of research expenditure mitigates this problem.
研究资助者提出的策略，是把出版费用视为研究费用的固定项目，有效地纾解此问题。
