凡是天外的东西总是永远引得我心痒难熬，苦念不已。

I am tormented with an everlasting itch for things remote.

youdao

生活有时并不公正，然而，希望的大门对每个人总是永远敞开的。

Sometimes life is unjust, However, the door of hope is always open to everyone.

youdao

听着，如果你总是拿自己和别人比较，你永远都不会感觉满足。

Listen, if you always compare yourself with others, you'll never feel good enough.

youdao

So, for example, hydrogen or fluorine they'll never be in the middle, they'll always be on the end of a molecule.

比如，氢或者氟,永远不会在中间，它们总是会在分子中最边缘的位置。

麻省理工公开课 - 化学原理课程节选

So, you already have a hint that methyl groups are never in the middle, they always have to be on the outside.

那么，你已经得到了一个提示,那就是甲基永远都不可能在中间，它们总是在外侧。

麻省理工公开课 - 化学原理课程节选

When I do my best to imagine some kind of existence that would be desirable or attractive forever, it just doesn't work. It becomes a nightmare.

当我尽力想象一种,令人永远期望迷恋的存在时，根本想象不出，总是变成恶梦。

耶鲁公开课 - 死亡课程节选