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V-I If an idea, system, or way of doing something works, it is successful, effective, or satisfactory. (想法、系统或方法) 奏效
例：95 percent of these diets do not work.
这些节食方法中的95%都不奏效。
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V-I If a drug or medicine works, it produces a particular physical effect. (药物) 起作用
例：I wake up at 6 a.m. as the sleeping pill doesn't work for more than nine hours.
我早上6点醒来，因为这种安眠药作用不会超过9个小时。
Work
506
