如果不管用，就把它退还给制造厂家。
但是用点逆反心理怎么样？大家都知道玩欲擒故纵要比请求更加管用。
But how about a little reverse psychology? Playing hard-to-get is known to be more effective than begging.
如果这招管用，即使他们记不起昨天吃了什么也没关系。
If this works, it won't matter if they can't remember what they ate yesterday.
让政府投资这些痴迷研究的人难道不管用吗？
Wouldn't it work to have the government invest in the nerds?
相信我。它管用。
早先的实验室研究表明，臭袜子在吸引蚊子方面很管用。
Previous lab studies have shown that smelly socks work well in attracting mosquitoes.
他在花园面向马路的一块小牌子上写了“禁止停车”，但它不管用。
He wrote "NO PARKING" on a small board in the garden facing the road, but it didn't work.
不管用什么方法，一个湖泊的水总是在不断地增加和减少：它的水不会只是待在那里，或者待很久。
By whatever means, a lake is constantly gaining water and losing water: its water does not just sit there, or, anyway, not for long.
漂浮导管和桡动脉导管用于监测心输出量，肺动脉压和动脉血压。
Swan-Ganz catheter and radial artery catheter were used to monitor the cardiac output, pulmonary arterial pressure, and arterial blood pressure.
在那时，这种解释不是特别管用。
为什么这个技巧会管用是有很多原因的。
这个方法对那些不愿服药的人尤其管用。
This approach may be particularly useful for those who prefer not to take medications to help them sleep.
他们为后两组人群所提出的建议可能管用。
Their recommendations for the latter two groups will probably work.
这个问题对于你考虑购买任意东西都管用。
培养孩子良好习惯的技能，家长技能真管用！
Skills to Improve Child Behavior Parenting Skills that Really Work!
适当的呼吸方法很管用。
“这通常比说‘别打你弟弟’要管用的多。”
This is always more effective than saying, 'Stop hitting your brother,'" the mother said."
不论对大客户还是小客户，这种策略都管用。
但我不知道这是否对肥胖病管用。
她有很多借口，但是最终都不管用。
布什先生的一些财政措滩并不管用。
传统的咨询治疗也没能管用。
传统的咨询治疗也没能管用。
尽管用心复习，但他只做对了45道题。
Despite all of his hard work, he only answered 45 questions correctly.
你应该用二者中的一个，因为猜测不会总是管用的。
And you should be using one of these because guessing doesn't always work.
漂浮套管用于使降落于海面的航天舱浮于海面。
Flotation collars are used to buoy space capsules that land in the sea.
有时这很管用。
原子时代的古老的武器控制方式不再管用。
The old arms-control remedies of the Atomic Age may not work.
原子时代的古老的武器控制方式不再管用。
The old arms-control remedies of the Atomic Age may not work.
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