博物馆的新侧厅由一位慷慨的匿名捐赠者出资建造。

The museum's new wing was funded by a generous anonymous ___donor.

多亏了慷慨的私人捐赠者，这家医院才得以维持运营。

Thanks to generous private ___donors, the hospital was able to stay open.

该基金会由一位希望支持医学研究的匿名捐赠者独立创立。

The foundation was established by a single, anonymous ___donor who wished to support medical research.