influential

It helps to have influential friends.

交上几个有权势的朋友很有好处。

Back then, you would have been your child's most influential teachers.

那时，你可能是孩子最具影响力的老师。

But expect it all to change, and security to become the number one issue, when the most influential inhabitants of the Net are selling services they want to be paid for.

但是，当最具影响力的网络用户出售他们想要收费的服务时，可以预料这一切都会改变，而安全将成为首要问题。

They become young influentials due to successful high-tech startups.

高科技公司的成功让他们变成年轻有影响力人物。