This machine has two killer apps: autograding of homework for the teachers; passing notes via wireless for the kids.

该电脑配有两个杀手应用：各年级家庭作业教学软件；无线版儿童传纸条软件。

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And what they are building, he vows, is a killer ad machine, more powerful than print or television and able to charge far higher prices.

FORBES: The Killer Ad Machine

He was sure that there must be a man inside the machine, or a team of brilliant men, whispering killer moves.

FORBES: Magazine Article