known for his tough talking style but, on this occasion, he left his audience in the dark with his..., there are known knowns; there are things we know we know," he said."We also know there are known ……

of way:"The Unknowns"As we know,There are known knowns.There are things we know we know.We also knowThere are known unknowns.That is to sayWe know there are some thingsWe do not know ……

know. We also know there are known unknowns. That is to say we know there are some things we do... wrestler, until a shoulder injury put an end to his Olympic hopes.He is known for his humorous skills ……

know, there are known knowns, there are things we know we know. We also know there are known unknowns ……

hasn’t happened are always interesting to me, because as we know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some ……

, the Chinese were solving very advanced problems with the rods, including equations with four unknowns."Lam... the rod system was well-known to foreign traders who travelled the Silk Road across Asia between ……

exactly and easily for genes that cause diseases. It can also be used to help fill in the unknowns ……

mission is no longer to save but to build a stronger nation. On our journey full of new unknowns.... On our journey full of new unknowns and challenges, the spirit of staying true to our mission ……

unknowns and challenges, the spirit (精神) of staying true to our mission and exploring  (探索... is no longer to survive but to build a stronger nation. On our journey full of new unknowns and challenges ……

the sensation. There are still many unknowns when it comes to ticklishness. For example, why are some... many unknowns when it comes to ticklishness. For example, why are some people not ticklish at all ……

worked in Paris. They include artists such as Picasso, Chagall, and relative unknowns such as Bazaine ……

do when you’re 16 years old? With so many unknowns, most of us still feel confused about our... you’re 16 years old? With so many unknowns, most of us still feel confused about our future ……

unknowns and challenges, the spirit of staying true to our mission and exploring with courage should... to save but to build a stronger nation. On our journey full of new unknowns and challenges, the spirit ……

creatures?  The popularity comes from fascination with the unknowns, said the Prompt magazine. Many... with the unknowns, said the Prompt magazine. Many of the mythical creatures rise from human beings&rsquo ……

a spacesuit and go out through an airlock (空气门).HealthThere are lots of unknowns about staying in space ……