对投资者来说，像这样的绿色建筑不一定具有成本效益，但它产生的污染确实比通过化石燃料产生能源的过程少得多。

Green buildings like this aren't necessarily cost-efficient for the investor, but it does produce much less pollution than that caused by energy production through fossil fuels.

youdao

XSLT不一定具有printf这样的东西。

XSLT doesn't necessarily have any such thing.

youdao

注意，添加到结果集中的每个条目不一定具有所有选择属性。

Notice here that not every item added to the result set is necessarily going to have all of the selection properties available.

youdao

But it's a good story, Joule decided that there must be a direct relationship between work and heat.

所以说，这只是一个不错的故事而已，焦耳认为功和热之间,一定具有某种直接的联系。

麻省理工公开课 - 热力学与动力学课程节选

Because here what we have is some atom that we're studying, in the case, it's going to be a gas, and we hit it with a photon that has some incident energy.

因为这里我们要研究的是一些原子,在这种情况下，一般是气态的，然后我们令一个,具有一定初始能量的光子打上去。

麻省理工公开课 - 化学原理课程节选

It has a negative end and a positive end and it has certain properties.

这是一个偶极，有正电端也有负电端,偶极具有一定性质。

麻省理工公开课 - 固态化学导论课程节选