GbEng
慈善事业依靠自愿捐赠. Charities rely on voluntary donations/contributions.
他兴办那项慈善事业以纪念他已故的妻子。 He found the charity in memory of his late wife.
他这个人做事一不做二不休--向慈善事业捐款不捐则已, 一捐就是一大笔. He's not a man who does things by halves -- either he donates a huge sum to a charity or he gives nothing.