他说：“你不再需要通过按钮来进行字母输入，指头的一个手势就可以了。”
"Instead of pushing a button to get a letter, you gesture with a finger," he says.
你需要通过正确地输入字母来证明给计算机，你是一个人类。
By correctly transcribing it, you have proved to the computer that you are a human being.
你需要通过正确地输入字母来证明给计算机，你是一个人类。
By correctly transcribing it, you have proved to the computer that you are a human being.
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