他们每天要处理数十亿的搜索，现在通过每一次击键他们可处理数十亿单独的小搜索。
They were already handling billions of searches a day, now they are handling billions of individual small searches with each keystroke.
当然，有些击键序列可能就是一次击键。
如果另外一次击键在计时器停止之前，则原来的计时器将被取消，同时创建一个新的计时器。
If another key stroke comes in before the timer goes off, the original timer is canceled and a new timer is created.
那么我们就不能简单地使用一次击键来实现了，而是需要使用 击键序列 ，或者快速连续输入多个键。
Rather than use keystrokes, you use key sequences, or several keystrokes made in rapid succession.
子例程 getTotalTime 将用第一次击键时间减去最后一次击键时间（以毫秒为单位）。
Subroutine getTotalTime simply subtracts the time of the last keystroke (in milliseconds) from the time of the first keystroke.
GrantJoy运行一个程序，暗中记录在他机器上的每一次击键，包括用户名、密码和信用卡号码。
Grant Joy runs a program that surreptitiously records every keystroke on his machine, including user names, passwords, and credit-card Numbers.
我们的每一次击键、我们的浏览历史、我们的好恶，这一切都成了私有财产，但不属于读者，而属于数字版权管理者。
Our keystrokes, our browsing history, our likes and dislikes, all of that becomes the property, not of the reader, but of the digital rights manager.
我们的每一次击键、我们的浏览历史、我们的好恶，这一切都成了私有财产，但不属于读者，而属于数字版权管理者。
Our keystrokes, our browsing history, our likes and dislikes, all of that becomes the property, not of the reader, but of the digital rights manager.
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