维持如此庞大的军队是对国家资源的重大消耗。

Maintaining such a large military is ___a significant ___drain ___on national resources.

化石燃料的持续使用是对环境储备的不断增长的消耗。

The continuous use of fossil fuels is ___a growing ___drain ___on environmental reserves.

补贴低效产业可能成为公共资金的持续消耗。

Subsidizing inefficient industries can be ___a constant ___drain ___on public funds.