secret switch

基本解释

It is your job to find and explore this "secret switch" on your man.
你们的工作是发现和探索这个“秘密转人”在电脑上。
It might sound like a pipe dream, but the OpenFlow consortium already claims to include a number of (still secret) switch manufacturers.
这听起来像是一个不切实际的梦想，但是OpenFlow的联合企业已经宣布了一些（仍然保密）“开关”制造商。
Some drivers charge as much as ten times the legal fare. They have a secret switch which makes the meters run faster. If you refuse to pay, you are really in for a shock.
有些司机索取的车资高达原法定车资的十倍，他们车内有一个秘密开关，可以使计费表转速加快，如果你拒付的话，就一定会被电击。
www.ivyenglish.com.cn

Because the proceedings are secret, researchers know little about what exactly motivates cardinals to switch their votes, but Romain Lachat, a political scientist at Pompeu Fabra University in Barcelona, says the formation of coalitions — where electors slowly rally around a man who may only be their second or third choice — is inevitable.
NPR: Arcane Process Encourages Papal Horse Trading