其次，我们需要强调政府在这些问题上发挥领导作用的必要性。

Secondly, we need to underline the need for the government to take leadership on these issues.

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我们需要成为批判性的文本阅读者。

We need to become critical text-readers.

《柯林斯英汉双解大词典》

大多数讨论都集中在目前需要做什么，因为我们已从安全问题逐渐转到具有挑战性的经济问题上。

Most of the discussion was on what needed to be done now as we transitioned from the security issues to the challenging economic issues.

《柯林斯英汉双解大词典》

So we need to go to this second case where we're instead going to think about electronegativity, and we want to think about which atom is the most electronegative.

因此我们需要转到这个第二种情况,来考虑一下电负性，我们需要想想哪个原子的电负性是最高的。

麻省理工公开课 - 化学原理课程节选