Cai believes his team has discovered a master switch for the diseases caused by overeating.

蔡认为他的团队已经发现了过食导致疾病的关键因素。

youdao

Nobody has found a master switch that you can flip to make the problem go away.

NEWYORKER: Testing, Testing

Each tower must be networked and linked to a master controller or switch in order that all towers can talk to each other.

FORBES: Connect

His latest attack is spelled out in a new book called The Master Switch: The Rise and Fall of Information Empires.

FORBES: Focus