The light switch came away from the wall.

电灯开关从墙上掉了下来。

youdao

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。

youdao

He felt for the electric light switch in the wall and turned it on.

他摸着找到了墙上的开关，把电灯打开了。

youdao

Both decisions reinforce trends that have been changing Wall Street in recent years: the switch from physical to electronic markets and the dispersal of operations away from lower Manhattan into the suburban areas of the greater New York metropolis and beyond.

FORBES: Briefing Book: Howard Lutnick

He says the reason pensions are underfunded is Wall Street convinced pensions to make a historic switch from bonds to stocks.

FORBES: Lerach Blames Pension Woes On Pay-To-Play -- Theirs, Not His

Wall Street worries that ever more copper-wire customers will quit and switch to cellular, with its expensive transmission towers and subsidized handsets.

FORBES: Whitacre's Way