sustenance
n. 食物；生计；支持
例句
There's not much sustenance in a bowl of soup.
一碗汤没多少营养。
《牛津词典》
Arguing would only give further sustenance to his allegations.
越是争论，他越会觉得自己那些说法有道理。
Elections are essential for the sustenance of parliamentary democracy.
选举制度是维持议会民主所必不可少的。
