“These aren’t the slickest applications in the world,” Mr. Abelson said.
Abelson说，“这些并非世界上最精巧的应用程序。
An onscreen button would turn on the program, Mr. Abelson explained, for perhaps a few hours on a Saturday night when the person wanted his friends to know where he was.
Abelson解释道，可以通过按屏幕上的按钮来开启这一功能，以备某个周末晚上他想让朋友们知道他在哪里。
An onscreen button would turn on the program, Mr. Abelson explained, for perhaps a few hours on a Saturday night when the person wanted his friends to know where he was.
Abelson解释道，可以通过按屏幕上的按钮来开启这一功能，以备某个周末晚上他想让朋友们知道他在哪里。
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