We can 't understand machines and they don 't understand us , " she says .

我们不能理解机器，它们也不能理解我们。”

Stephanie malin , a public affairs officer with the program says their machines have a 3 % fail rate .

该计划的公关负责人斯蒂芬妮•马林表示，他们机器的出错率是3%。

Automatic shut-off devices appeared on whirring machines .

嗡嗡作响的机器中加装了自动关闭装置。

It is foolish to believe such machines will think like humans , she adds .

她补充说，相信这样的机器会像人类一样思考是非常愚蠢的事。

Essentially , they became like hedge funds -- big speculative , risk-taking machines .

事实上，他们变得有点像对冲基金，成为规模庞大的投机冒险机器。