为什么竞走运动员是有条件的运动员？
与可靠的消息传递概念紧密相关的是有条件的消息传递，它涉及到各种条件的建立，这些条件用于确定怎样以及什么时候传递消息。
Closely related to the concept of reliable messaging is that of conditional messaging, which involves the establishment of various conditions that apply to how and when a message is to be delivered.
丰沛的羽毛化石使得古生物学家有条件来验证一个最基本的问题：为什么羽毛会进化？
The abundance of feathered fossils has allowed paleontologists to examine a fundamental question: Why did feathers evolve?
甚至对国内那些有钱人来说，即便有条件去那些寥寥无几的私人诊所，也得不到什么保障。
Even Kazakhs rich enough to turn to the few private clinics are not protected if, say, they suffer a heart attack and need urgent transport.
物理学家恩里克·费米曾提出一个著名的问题：既然宇宙中有着海量的恒星系，其中有条件演化出生命的也为数不少，然而为什么到目前止还没有任何一个地外文明向地球人展示它们的存在？
The physicist Enrico Fermi famously asked why no extra-terrestrials have shown up on Earth when there are likely to be so many solar systems where life could have evolved.
你可以，但是是有条件的。哦，好吧。什么条件呢？
Helen: You can, but there are strings attached. Chris: Oh, OK. What are they?
欧普拉：对。有条件的什么？
欧普拉：对。有条件的什么？
应用推荐