This crowded world is so full of invention 这个拥挤的世界充满了创造力

337. And that does the trick.
     他成功了
338. Each animal must find its own way of
     每个动物都必须找到独家方法
339. surviving the competition of the jungle.
     才能在丛林的竞争中生存下来
340. This crowded world is so full of invention
     这个拥挤的世界充满了创造力
341. that almost all kinds of animals on land
     几乎陆地上所有的物种
342. can trace their origins back here...
     都能从这里找到起源
343. ...including us.
     包括人类

来自《行星地球 第二季 第三集 Planet Earth S02E03 丛林》第 340 行