The more the angle between here and here opens up -- and nowadays, with a screen in front of you, you don't want to have your eye drop too far in the recline, so we keep it at more or less the same level -- but you transfer weight off your tailbones.
这儿跟这儿之间的角度变得越大， 在你面前成为一个平面， 你不会想在倾斜时让你的眼睛降得太厉害了。 所以我们让它或多或少的保持同一水平。 但这样你就可以把体重从 尾椎骨转移走了。