Another common but useless rule of thumb is history.
另一个普遍但无用的凭感觉判断原则是历史原则。
Narrator: but useless, his voice others can't hear.
旁白：可是没用，他的声音别人听不到。
Not only is this gadget all but useless, it seems a bit overpriced at $23.99.
这小东西不仅仅看起来没什么用，而且23.99美元的价格有点贵了吧。
Forts were framed for defence against land or sea forces, but useless against an air attack.
建筑城堡是为了防御陆海军入侵，但对于空中打击就无效了。
Prepare, but don't panic It's good to think ahead, but useless to worry about things beyond your control.
准备但别慌张。提前考虑很好，但是对自己控制之中的事情烦恼没有作用。
This chicanery can range from relatively benign but useless efforts to overly aggressive promotion to outright fraud.
这样的欺骗手段可以相对无害地提升排名，但是这种急功近利地推销无疑是一种欺诈行为，是无用之功。
We would peacetime may be worried that their hero no avail, but useless if you have maybe half dead will be so busy.
平时我们可能会担心自己英雄无用武之地，但是一旦你有了用武之地或许就会忙到半死。
For example, a timestamp with no time zone is acceptable for a single locale but useless in a multi-locale environment.
例如，没有时区的时间戳在单一地区的情况下可以接受，但在多地区环境中却不能。
Thus, if we naively rejected anything which didn't fit into the one-step mold, we would render our collaborative editor all-but useless.
因此，如果我们天真地拒绝不符合单步模型的所有情况，那只会使我们的编辑器毫无用处。
In addition Aristotle tells us such a person will possess beautiful but useless things suggesting the possession not only of wealth but of a kind of cultivated aesthetic sense.
此外，亚里士多德告诉我们，这类的人还将会拥有一些美丽，但无用的东西，不只拥有财富，还有一种经教化的美感。
But he had no illusions about the realities of his business: "There is no sense in making a film that no one will go and see, just to create a perfect, but useless, work of art," he said.
但是他对现实和自己的事业一直有着清醒的认识，他说：造一部无用而完美，没有观众想看的电影毫无任何意义。
But I put it to you that they're useless.
但我要告诉你，他们没用。
For those in power, this makes history as a discipline not only useless but dangerous too.
对于掌权者而言，这使得历史作为一门学科不仅毫无用处，而且危险。
It may not help you tie your shoe but that little plastic tip keeps the rest of the shoelace, the shoe string from unraveling into weak and useless threads.
它可能不能帮你系鞋带，但那小小的塑料头可以让鞋带的其余部分不会散开成脆弱无用的线。
I'm not saying that. But do you know useless masks are harmful to the earth?
我不是那个意思。但是你知道没用的口罩对地球有害吗？
The second drawer began to fill and as it did I wondered whether there were bigger discoveries out there, not just species, but life that depends on things thought to be useless, life even without DNA. I started a third drawer for these big discoveries.
第二个抽屉开始被填满。此时我在想外头是否还有更大的发现，不只是物种，还有依赖于人们认为无用的东西的生命以及甚至没有 DNA 的生命。我为这些重大发现设立了第三个抽屉。
He tried to varnish over the facts, but it was useless.
他想粉饰事实，但那是徒劳的。
When Grethel heard this she began to cry bitterly; but it was all useless, she was obliged to do as the wicked witch told her.
当格雷特听到这些她开始悲伤的哭泣；但是这些都没有用，她被迫去做邪恶的巫婆让她做的事情。
He says, I plead guilty, but your physics is useless at this length scale.
他说，我没有错，而是你的物理在这个尺度上没有用武之地。
Sure, you still need to socialize with people, and have actual conversations, but boring and useless meetings aren't the best way to do that.
当然你仍然需要与别人参加社交活动，进行面对面的谈话，但是单调而无用的会议不是最好的社交方式。
But it is useless to look for sympathy in this world.
但是在这个世道寻求同情是没用的。
A truly "secure" program would have no inputs, but that program would be useless.
真正“安全”的程序应该没有任何输入，但那种程序是没有用处的。
As a measure of CPU utilization, the load average is simplistic, poorly defined, but far from useless.
在被当作CPU利用率的衡量标准时，虽然平均负载数是简单的和缺乏定义的，但远不是无用的。
But just remember ideas are useless unless you act upon them.
但记住，想法本身是无用的，你需要将想法付诸实践。
But it's useless for me to say anything now.
但现在说什么都没有用了。
But they are useless without skilled handlers.
但是没有熟练地训练员，它们是没有用的。
But they are useless without skilled handlers.
但是没有熟练地训练员，它们是没有用的。
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