Congress has backed down on its demand for an increase in defense spending.国会已作出让步，不再要求增加国防开支。He proposed an increase in defense spending.他提议增加国防开支。Millions of dollars were poured into the maw of defense spending.数百万美元投进了国防开支这个无底洞。The President might be willing to compromise on defense spending.总统在国防开支问题上或许会愿意让步。