effective

effective
adjective
  1. successful in producing a desired or intended result
    能产生（预期）效果的，有效的
    effective solutions to environmental problems.
    解决环境问题的有效办法。
    ■(especially of a law or policy) operative
    （尤指法律或政策）生效的，起作用的
    the agreements will be effective from November.
    协议将于11月起生效。
  2. [attrib.]fulfilling a specified function in fact, though not formally acknowledged as such
    实际的，事实上的
    the companies were under effective Soviet control.
    这些公司实际上由苏联控制。
    ■assessed according to actual rather than face value
    （价值）实际的（按实际价值而非票面价值评估的）
    an effective price of £176 million.
    1.76亿英镑的实际价格。
noun
  1. a soldier fit and available for service
    实际可作战的士兵
派生
effectively
adverb
  1. [sentence adverb]effectively, this means that companies will be able to avoid regulations.
    实际上，这就意味着公司将可能不受监管。
effectiveness
noun
effectivity
noun
语源
  1. late Middle English: from Latin effectivus, from efficere 'work out, accomplish' (see effect)
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