| 81. | If fifty pence pieces are not exchanged for sweets, they rattle for months inside money boxes. |
| 如果50便士不拿来换糖吃，则可以放在储蓄罐里叮当响上好几月。
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| 82. | He gets the solid shape, as it were, inside his head-he thinks of it, whatever its size, as if he were holding it completely enclosed in the hollow of his hand. |
| 可以说，当他想像一个物体时，不管其大小如何，他脑子里得到的是一个立体的概念，就好像完全握在自己手心里一样。
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| 83. | Indeed, the concept of free speech only exists in our modern society because when you are inside a community, you are conditioned by the conventions of the community to such a degree that it is very difficult to conceive of anything really destructive. |
| 的确，言论自由的概念只存在于我们现代社会中，因为当你生活在一个社团中时，社团的风俗习惯会严格地制约你，使你很难有破坏性的想法。
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| 84. | It should, however, I think, be stipulated that he should paint the inside every seven years. |
| 不过我想应该规定，他每七年得把内部粉刷一次。
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| 85. | We can show that u(x, t) can be determined at every point inside the parallelogram OACB. |
| 我们可以证明，
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| 86. | You can find a toy inside the box. |
| 你可以在盒子里面发现一个玩具。
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| 87. | This lock can only be opened from the inside . |
| 这把锁只能从里面打开。
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| 88. | We have to play inside because it is raining. |
| 因为天下雨，我们不得不在屋里玩。
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| 89. | There's plenty of room for everyone inside . |
| 里面有的是地方，大家都可以进来。
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| 90. | He knows the subject inside out. |
| 他精通这一学科。
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