Other places have adopted a more sober and mature attitude when thinking about climate than we have."

VOA: standard.2010.04.21

So thermodynamics, based on these four laws now, requires an edifice, and it's a very mature science, and it requires that we define things carefully.

热力学是一座，建立在这四条定律上的大厦,它是一门非常成熟的科学，也要求我们在定义东西时非常小心。

麻省理工公开课 - 热力学与动力学课程节选

we can think of it as a more mature -- perspective.

我们可以把这个看成一个成熟的角度。

耶鲁公开课 - 弥尔顿课程节选