幸运的是，我们开始意识到这并不管用。
布什先生的一些财政措滩并不管用。
她认为诙谐的闲谈语句通常并不管用。
She said for men clever chat-up lines do not generally work.
但事实可能证明这并不管用。
仅仅解释规则并不管用。
我得了皮肤病，但医疗费太高，而且用的药并不管用。
I was suffering from a skin disease. The medical costs were too expensive and the drug didn't work well.
或许这技巧有时并不管用，你或许会因为它而输掉一场摄影比赛。
Perhaps this technique won't always work. It will almost certainly get you thrown out of any photo club contest.
这一讹传导致了鲨鱼的软骨被用来进行癌症预防治疗，虽然这并不管用，但却造成了鲨鱼数量的减少。
This myth has led to a decrease in shark population and the use of shark cartilage for cancer prevention treatment, which doesn't work.
瘦素在胃部饱了的时候，就会“告诉”大脑该停止吃东西了，但是按照哈佛医学院研究人员的研究，它对大多数肥胖人群并不管用。
Leptin tells the brain to stop eating once the stomach is full, but fails to work effectively in most obese people, according to the study by researchers at the Harvard Medical School.
这种行为在不远的过去并不算犯法，联邦调查局发现他们的常规调查技巧在这里不管用了。
This had only recently been declared a crime, and the FBI found that their usual investigative technique didn't work.
一项很大的盖洛普民意测验发现，不管用什么方法来测验，随着年纪的变老，人们变得也更有幸福感，而研究者们并不确定原因何在。
A large Gallup poll has found that by almost any measure, people get happier as they get older, and researchers are not sure why.
许多人预防感冒的最常见方法是摄入大量维他命C。 眼下我并不是在说这不管用——事实上我觉得这个办法很管用。
The usual way by which a lot of people try to fend off colds is to ingest large quantities of vitamin C.
许多人预防感冒的最常见方法是摄入大量维他命C。 眼下我并不是在说这不管用——事实上我觉得这个办法很管用。
The usual way by which a lot of people try to fend off colds is to ingest large quantities of vitamin C.
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