ineffective time

基本解释

Unlike other diet formulations Fahrenheit isn't like other diet formulations-their effect only last a few hours, and they become completely ineffective over time.
不像其他的飲食配方華氏不像其他的飲食配方，其作用衹持續幾個小時，隨著時間的推移，他們已經完全無傚。
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It's also possible that the government stimulus will be ineffective at a time when households are staggering under the weight of debt and the loss of trillions of dollars in net worth.
還有一種可能是，在美國家庭背負著沉重債務、遭遇數萬億美元的資産淨值損失之時，政府刺激計劃可能難以奏傚。
Thrusting higher than this point may be ineffective and waste precious time.
如果壓入的位置高於這個點，就會不起作用，而且浪費寶貴的時間。

Even in the incredibly competitive and difficult terrain that U.S.-China business in 2013 presents, the largest companies can still afford to make mistakes, and sacrifice people who waste their money and time with ineffective project plans.
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Our government is just as ineffective at providing useful real time economic data as it is at everything else it does.
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In the world of agriculture, as with popular medicine, the theory is to treat the symptom (in this case insect invasions) and to hope that by the time fix becomes ineffective we have something else figured out to spray, engineer or swallow to re-bandaid the problem.
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