at their need

We need a new look at the harnessing of scientific discoveries, to maximize their positive effects for the promotion of humanity as a whole and to minimize their negative effects.

我们需要用新的眼光来看待科学发现的利用，以最大限度地提高它们对促进全人类的积极影响，并最大限度地减少它们的负面影响。

For example, surgeons, doctors, lawyers and senior officials need to remain at their posts to ensure the smooth running of the business.

例如，外科医生、医生、律师和高级官员需要留在他们的岗位上，以确保业务的顺利运行。

Sometimes we need to stand in other persons' shoes and look at the problem through their eyes.

有时候我们需要站在别人的角度，从他们的角度看问题。