如果你踩到蚁巢上，就引发一场各种大塌方的灾难。那些被埋的蚂蚁会发出一种吱吱声，送信号给其他蚂蚁，说她们需要被挖出来。
If you step on a nest, you cause a disaster - there's all kinds of cave-ins - and the ants that are buried signal with a little squeak that they need to be dug up.
我们认为NFC是一场破坏性的完美风暴，它对刚刚起步的公司来讲是一个良好的信号和机遇。
"We saw in NFC a perfect storm of disruption, which is always a good sign and a good place for a startup company to be," he says.
其他类型的LED已被广泛用于交通信号灯、户外显示屏(比如纽约时代广场的显示屏)、体育场，甚至被用于机场跑道。
Other types of LEDs are already at work in traffic lights, outdoor displays (like those in New York City's Times Square) and stadiums; airports even use LEDs on their taxiways.
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