engineers may soon be free to let their imaginations soar without being penalized by expensive failures.

因此，工程技术人员可能很块就可充分发挥他们的想像力，而不会因失败而造成经济上的损失。

unlike, say, a buyer of goods, cannot complain that the law is loaded against him.

但是储户不能像货物的买主那样来抱怨法律对自己不利。

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。

he realizes its volume, as the space that the shape displaces in the air.

他能意识到物体的体积，那就是它的形状在空气中所占的空间。

and they provided a striking demonstration of the potentialities hidden in instruments and apparatus.

并充分显示出了仪表和仪器的潜在力量。

A run-down watch is still a watch and can be rewound.

手表停了依然是只手表，还可以重上好发条。