translation.en: The challenge we face is that we know very little about tuna, and everyone in the room knows what it looks like when an African lion takes down its prey.
translation.zh: 我们面对的挑战是 我们对金枪鱼几乎一无所知， 所有这间房里的人们都能认出非洲狮 扑到猎物 的场景。