如何解释这句话中的“on board”?

问题描述:

如何解释这句话中的“on board”?
"This is why we're all on board on focusing on those thousand days to improve nutrition," she says. "After that, the damage is done and is highly irreversible."

没有什么实际意义,在这里它强调我们正在做这件事的“状态”.