(informal)be very beneficial to someone or something
(非正式)對(duì)（人，物）大有好處
under the control of
在…的控制下，受…支配
(Brit.)said to encourage someone or express approval of their actions
(英)（表示鼓勵(lì)、贊同）祝一帆風(fēng)順！祝你成功！
a person who exerts authority or influence without having formal status
幕后操縱者，垂簾聽政者
the authorities
當(dāng)權(quán)者
Those who hold effective power in a system or situation
掌權(quán)者：在某一系統(tǒng)或職位中掌握實(shí)權(quán)的人
a plan vetoed by the powers that be.
被掌權(quán)者們否決了的計(jì)劃