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。
Jumping into a statement expression with goto or using a switch statement outside the statement expression with a case or default label inside the statement expression is not permitted.
不允许使用switch语句或是goto跳入到声明表达式中。
Gears help them change speed — like on a bicycle. Switch gears. So is this a biking expression? Let's listen.
齿轮帮助他们改变速度——像自行车一样。所以这个一个自行车的表达吗？我们听一听。
Gears help them change speed — like on a bicycle. Switch gears. So is this a biking expression? Let's listen.
齿轮帮助他们改变速度——像自行车一样。所以这个一个自行车的表达吗？我们听一听。
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