Google Glass is a pair of glasses with a battery hidden inside the frame .
谷歌眼镜内含电池，放置在镜框内。
2
While electricity exists as separate charges, like the plus and minus of a battery, magnets always come in a joined pair;
电可以作为分开的电荷存在，比如说电池的正极与负极，而磁则总是要成双成对地出现。
3
Finally, if he doesn't need to "pair" the phone with a Bluetooth-enabled loudspeaker-microphone or earpiece while driving, he'll turn the stupid battery-gobbling service off.