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现在,人们在用各种方式,希望能够与外星生物取得联系,随着科学的进步,也许很快就会有回音,但这回音很可能会是机器人发出的。
People are now using a variety of ways, hoping to get in touch with extraterrestrials, and as science advances, there may soon be echoes, but the echo is likely to be sent by robots.