The reason that finding might matter to us, is that recent studies in mice and zebra fish have shown that hearts with more diploid cells—like a zebra fish's—are able to regenerate and heal themselves.

这一发现可能对我们很重要的原因是，最近对小鼠和斑马鱼的研究表明， 具有更多二倍体细胞的心脏（如斑马鱼的心脏）能够再生和自我修复。