近年来，许多人一直在质疑各种组织在拯救濒危物种上花费的时间和金钱是否值得。
In recent years, many people have been questioning whether it is worth the time and money organizations spend on trying to save endangered species.
非法捕猎阻碍了拯救濒危物种的努力。
The effort to rescue the endangered species was hindered by illegal hunting.
而如今，全国几十个军事基地都在不遗余力地拯救濒危物种。
Today, herculean efforts to save threatened species are unfolding at dozens of military sites across the nation, from Eglin, Fla.
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