Scientists tell us that world of nature is so small ans interdependent that a butterfly flapping its wings in thw Amazon rainforest can generate a violgs in the other side of the Earth.

• 科学家告诉我们，自然界是如此之小，并且杨互依存，亚马孙雨林里一只蝴蝶扇动它的翅膀，就能在地球的另一面引起一场猛烈的风暴。