vs.

    efficienteffective 对比辨析
    分析 词典对比 组词对比

    两者都是形容词,但意思不同。

    一、effective表示“有效”,“生效”。如:

    His teaching was not very effective. 他的教学效果不好。

    The new interest rate becomes effective next month. 新利息下月生效。

    When is the contract effective from? 合同什么时候开始生效?

    This medicine, taken in time, can be very effective. 这种药如果及时吃会很有效。

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