But in the nineteenth century they decided-- it just got really good at delivering mail.

不过在十19世纪，人们决定-,需要有专门的寄信服务。

耶鲁公开课 - 金融市场课程节选

So it's often, I think people have a hard time delivering bad news,

有些时候，人们会觉得告诉客户坏消息是很难的事情，

正直是最好的 - SpeakingMax英语口语达人

And so there's a lot of interest, not just in developing vaccines for diseases that we don't have vaccines for, but for delivering vaccines that are more effective.

所以我们感兴趣的领域,不仅包括针对还没有疫苗的疾病,来研发疫苗,还要开发更有效的疫苗

耶鲁公开课 - 生物医学工程探索课程节选

But how do we get to 1861 and that secession crisis with Alexander H. Stephens delivering this Cornerstone Speech, declaring that, "Hey folks, it's all about slavery and its preservation?"

但事情怎么会演变到1861年那样,乃至之后的分离危机,亚历山大为何能在这篇演讲中,宣称,"嘿,伙计们,今天我要讲的是奴隶制和对其保护"

耶鲁公开课 - 美国内战与重建课程节选

Very often, overpromising and under-delivering.

通常都言过其实，无法兑现。

哈佛公开课 - 幸福课课程节选

it's over-promising and under-delivering.

是过高的承诺和过低的兑现。

哈佛公开课 - 幸福课课程节选

And so it didn't take long, once this vaccine were--was available, for people to want to get organized and think about ways of delivering this vaccine to all the regions of the world where people were potentially infected.

这并不会花费很多时间,一旦疫苗生产完毕,一些人就会组织起来,并想办法把将这些疫苗送往,世界上一些地方,那些地方的人很有可能感染疾病

耶鲁公开课 - 生物医学工程探索课程节选

Overpromising. Under-delivering.

夸大其词，效果甚微。

哈佛公开课 - 幸福课课程节选

Plasmids turn out to be one of the most powerful and simplest examples of a vector, what's called a vector for delivering DNA into a cell.

质粒被证实是最强大,且最简单的载体形式之一,载体负责将DNA转入细胞

耶鲁公开课 - 生物医学工程探索课程节选

Viruses, in particular, are very effective at delivering their viral DNA into cells.

特别是病毒,可以高效地将自身的病毒DNA导入细胞

耶鲁公开课 - 生物医学工程探索课程节选