translation.en: Two-by-four construction is sort of like the little eight-dot bricks of Lego that we all played with as kids, and you can make all kinds of cool things out of Lego at that size, and out of two-by-fours.
translation.zh: 2乘4木块就像 我们小时候玩的乐高小八点积木 你可以做出各种很酷的东西，就用乐高 那么小的方块，或者2乘4木块