1. The degree of secrecy naturally varies considerably.
    保密程度自然差别很大。

2. Alone now, the widow reads considerably.
    这位寡妇如今一个人生活，所以读了很多书。

3. You could use a car but it seems this is going to change your life considerably (相当程度地).
    你可以使用汽车，但这好像要大大地改变你的生活。

4. However, it had showed down considerably. The petrol had nearly all been used up .
    不过这次速度大大放慢了。汽油已差不多用完了。

5. On this occasion, however, it had slowed down considerably.
    然而这一次它的速度慢多了。

6. If a shop assistant told him she had not heard of it, he would pretend to be considerably put out.
    要是女售货员告诉他从未听说过这些东西，他会装出十分遗憾和不安的样子。

7. Flying in combat and managing the complex weapons system requires considerably more concentration.
    在战争中驾驶并控制好那些复杂的武器系统则需要更加地专心。

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