By traveling back in time, 穿越时空 回到过去

25. but all with totally different origins.
    但起源完全不同
26. There are more than ten million species of plant and animals alive today.
    如今 超过1000万种动植物 生活在地球上
27. And yet, they are just 1% of all species that have ever existed.
    但这只是曾经存在过的物种中的1%
28. By traveling back in time,
    穿越时空 回到过去
29. we'll meet many of the 99% that have gone extinct...
    我们将遇见 已经灭绝的99%中的许多物种
30. ...to reveal the most extraordinary story of all,
    揭示最不可思议的故事
31. the story of life on our planet.
    我们星球上的生命的故事

来自《我们星球上的生命 第一季 第一集 Life on Our Planet S01E01 生命法则》第 28 行