If you can order a bit more, we might be able to give you a 2% discount.
如果你能够再订多一些,我们可以给你 2% 的折扣。
If it is not a question of resting the body, then perhaps it is the brain that needs resting? This might be a plausible hypothesis were it not for two factors.
如果睡眠的功能不是在于使身体得到休息,那么也许是让大脑得以休息?若不是下面两点,这种假使似乎是有道理的。