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- 有效的防卫是不待对方导弹击中我们而先行将其拦截。
Effective defence is a matter of intercepting their missiles before they can reach us.
- 做广告往往是最有效的推销方法。
Advertising is often the most effective method of promotion.
- 商业电视是有效的广告宣传工具。
Commercial television is an effective medium for advertising.
- 这一婚姻关系是有效的。
The marriage was held to be valid.
- 不能根据一两个病例就得出该药是否有效的结论。
You cannot generalize about the effects of the drug from one or two cases.
- 那个驯马师掌握行之有效的驯马技巧。
That trainer knows how to get results from his horses.
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