当你在未来某一天走进一个餐馆时，你也许只要按一下你桌上的按钮就可以点餐了——当餐点上桌时按钮就会消失，而且打翻的饮料也不会损坏它们丝毫。
When you go to a restaurant in the near future, you might order your food by poking at ICONS on your table — they'll vanish when the plates arrive, and spilled drinks won't do them any harm.
科学家们发表报告说，也许在某一天，一个简单的尿检就可以检测出人们是否有患肺癌的危险。
SUNDAY, April 19 (HealthDay News) -- Someday, a simple urine test might spot smokers at highest risk for lung cancer, scientists report.
科学家们发表报告说，也许在某一天，一个简单的尿检就可以检测出人们是否有患肺癌的危险。
SUNDAY, April 19 (HealthDay News) -- Someday, a simple urine test might spot smokers at highest risk for lung cancer, scientists report.
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