I want to bring out the secrets of nature and apply them for the happiness of man. I don't know of any better service to offer for the short time we are in the world.
我想揭示大自然的秘密，用来造福人类。我认为，在我们的短暂一生中，最好的贡献莫过于此了。--爱迪生




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大家可以在后面跟帖，把这句打一遍加强记忆，或者根据录音打出内容，练习听力。

I want to bring out the secrets of nature and apply them for the happiness of man,I don't know of any better service to offer for the short time we are in the world.