So, very crudely, the thing on the wall is the switch DNA, your finger is the regulator, and gene expression is the light turning on or turning off.
因此，大体上可以这么形容，在墙上的东西就是开关DNA，手指是调控器，基因表达就是打开灯或关闭灯。
When a child masters turning on and off a light switch, his brain has expended more energy than the most complicated computer that we have on earth.
一个孩子学会开灯关灯的时候，他的大脑消耗的能量超过地球上最复杂的电脑。
By simply turning on the light in the room you could also switch on your Internet connection.
只要打开房间里的灯，互联网也就连接上了。
Xavi: OK, but don't forget to switch it off before you go, ok?… See you tomorrow… (turning off the light) It's better, this way.
可以啊，但你要记得走之前把它关掉，好吗?…明天见…（关灯）这样看得清楚点。
It is like turning on an electric lamp. A person who does not know about electricity will try at the bulb instead of the switch, so the lamp does not light.
这和开灯类似，不懂电的人，会去试灯泡而不知道去打开开关，所以灯不会亮。
It is like turning on an electric lamp. A person who does not know about electricity will try at the bulb instead of the switch, so the lamp does not light.
这和开灯类似，不懂电的人，会去试灯泡而不知道去打开开关，所以灯不会亮。
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