expression · to win favor or show generosity by using someone else's property or resources (lit. presenting the Buddha with borrowed flowers)

既然这瓶酒是别人送的，我就借花献佛，敬您一杯。

idiom · to use someone else's work, ideas, or writing to gain credit or influence for oneself

这篇论文的内容大多是借花献佛，缺乏原创见解。