用这种方式打字的时候，打字者光顾着看键盘了，可能无暇关注屏幕上打出来的内容。
Use of this method may also prevent the typist from being able to see what has been typed without glancing away from the keys.
用这种方式打字的时候，打字者光顾着看键盘了，可能无暇关注屏幕上打出来的内容。
Use of this method may also prevent the typist from being able to see what has been typed without glancing away from the keys.
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