translation.en: And if our universe got hit by another, that collision would generate an additional subtle pattern of temperature variations across space that we might one day be able to detect.
translation.zh: 如果我们的宇宙被别的宇宙撞上了， 碰撞 会在空间里产生额外的 微妙的温度变化， 我们可能有一天 能探测到。