蚂蚁还吃嫩叶顶端的黄色结构：这些结构富含蛋白质，除了吸引蚂蚁外似乎对树没有作用。
The ants also eat yellow structures at the tip of leaflets: these are protein rich and seem to have no function for the tree except to attract ants.
如果服务已经启动，以下步骤没有作用。
If the service is already started, the following step takes no action.
全都没有作用——直到现在。
如果这个广告失败了，对销售没有作用。
爱情是一种疾病，面对疾病法律是没有作用的。
如果某人用本地账号登录进去的话组安全策略是没有作用的。
They do nothing if someone logs into a machine using a local account.
简单的回答是：当较简单的SSL替代方案没有作用时。
The short answer is: when the simpler alternative of SSL won't work.
我们如果想要摆脱对石油的依赖，征收燃油税有没有作用？
If we want to get off the oil addiction, doesn't it make sense to have some kind of gas tax?
德里克指出，官员的口头干预对抑制日元的上涨几乎没有作用。
Mr Derrick noted that verbal intervention from officials had done little to stem the rise.
它按b来增长，3只是个常量，3没有作用，答案是线性增长的。
It grows as b. The 3 doesn't matter, it's just a constant, it's growing linearly.
然而购买力平价对确定不同收入水平的两国间的最优汇率没有作用。
But PPP is not useful for determining the optimal exchange rate between two countries of such different levels of income.
便宜的耳机对我来说根本没有作用，那种嗡嗡声让我感觉被火车包围。
The cheap headsets have never done it for me, to drown out that nauseating hum of the engines.
重大的行动是必须的，但是如果你不知道终点在哪，行动就没有作用。
It is necessary to take massive action, but it will be useless if you do not know where you want to end up at.
米切尔选的药物是speed这种药对缓解ADHD根本就没有作用。
Mitchell's chosen drug was speed, which has the paradoxicaleffect of slowing ADHD sufferers down.
对于一个欢快的电影来说，巧克力对成员的情绪改善没有作用，两组之间的差别近乎显著。
For a happy film, there was no improvement in mood, and the difference between chocolate and water was only marginally significant.
众多科技作家认为，iPad仅仅是消费设备，用它进行创作很难，或者根本没有作用。
Many tech journalists throw around this idea of the iPad being a consumption only device and that creating on it is difficult and/or useless.
寻找某些已发生之事的意义，并力图理解到底发生了什么：哪些效果很好，哪些没有作用。
Making sense of certain things that have happened and trying to understand what was going on: what was working well and what wasn't working.
几个国家的中央银行这个星期联手降息，但是似乎对投资者信心产生的作用甚微或者没有作用。
This week's coordinated interest rate cuts by several nations' central Banks appear to have had little or no effect on investors' confidence.
如果你持有这种心态“我要节食”，停下来，节食是没有作用的，只有生活方式的改变才能起作用。
If you have the mentality of "I need to go on a diet," stop it. Diets don't work, only lifestyle changes do.
世卫组织希望，继续由适当的方面承担起保护人群免受没有作用或者存有危害的医疗产品影响的责任。
WHO wants the responsibility for protecting populations from useless or harmful medical products to remain in its proper domain.
我们试过的办法有不尿床就给奖励，减少睡觉时的液体摄入还有夜里把他叫醒，但这些办法都没有作用。
We have tried rewarding him for not doing so, restricting fluids before bedtime and waking him in the night, but it hasn't worked.
因此，如果一个训练计划看起来没有作用，他说，“不要再坚持下去，因为你会认为那是你必须做的。”
So if a training program does not seem to be working, he said, "don't stick with it because you think it's what you have to do."
抗菌素耐药性的出现是一个复杂的问题，是由众多相互关联的因素推动形成的；单一和孤立的干预措施几乎没有作用。
The emergence of AMR is a complex problem driven by many interconnected factors; single, isolated interventions have little impact.
目前，cachespec. xml对于在WebSpherePortal上运行的Portlet没有作用。
The cachespec.xml has currently no effect on portlets running on WebSphere Portal.
因为山区田鼠的大脑中没有催产素和垂体后叶加压素的受体，这些化学物质对于它们没有作用，它们继续着它们的一夜之情。
Because the montane vole does not have receptors for oxytocin or vasopressin in its brain, those chemicals have no effect, and they continue with their one-night stands.
如果这些药物没有作用怎么办？好吧，去找一个空调房，坐在那里一动不动，你一直如此的话就可以成功的摆脱它了。
If those medications don't help, then try sitting in a perfectly air-conditioned room and never moving, ever, for the rest of your life.
其中一个风险就是，如果集团寻求全体一致，那么就会产生一个对现在经济危机作用很小甚至没有作用的平淡乏味的联合声明。
One risk is that the group, if it seeks consensus, will produce an anodyne statement that adds little or nothing to the existing efforts to respond to the global slump.
然后，您的工作还没有完成；您必须查看所做的更改是改进了站点，还是没有作用，还是使站点在旁观者角度上变得难以使用。
Then, your job isn't done; you have to see if that change improved the site, left it the same, or made it harder to use from an outsider's perspective.
然后，您的工作还没有完成；您必须查看所做的更改是改进了站点，还是没有作用，还是使站点在旁观者角度上变得难以使用。
Then, your job isn't done; you have to see if that change improved the site, left it the same, or made it harder to use from an outsider's perspective.
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