If you must move, don't follow a stream unless you know it, and in that case, you are not lost.
如果你非要走动的话，别顺着溪流走，除非你对它很熟悉。但是如果你很熟悉，那你就不会迷路了。
You can't be a successful leader unless you know your team.
除非你了解你的团队，否则你不可能成为一个成功的领导者。
Never go rafting unless you know how to swim.
除非你会游泳，否则的话就不要去漂流。
Don't open a shop unless you know how to smile.
请勿开店，除非你知道如何微笑。
You should not go rafting unless you know how to swim.
你不应该去漂流，除非你懂得如何游泳。
The choices can be difficult unless you know what to consider.
除非你知道要考虑哪些方面的问题否则就很难作出决定。
So don't touch these settings unless you know what you're doing.
所以除非您明白自己在做什么，否则不要碰这些设置。
Unless you know someone who can do what I do, our deal stands.
除非你认识有人能干我干的活，否则交易继续。
The dance is over unless you know somebody else who can play the guitar.
除非你认识另外一个会弹吉它的人，不然舞会就结束了。
Be careful with this technique unless you know a little bit about electricity.
小心这种技术，除非你知道一点点关于电力。
Words: Try not to use big words or slang, unless you know your audience will understand them.
词汇：尽量不要用词过大或者俚语俗语，除非你确定收件人能够看明白。
What she Wants: Skip the chocolate and flowers unless you KNOW that she REALLY likes that.
她想要什么：除非她真得很喜欢巧克力和鲜花，要不你就不要买。
Unless you know what you are doing, it is best not to change the default timeout Settings.
除非你知道你在做什么，最好是不要改变默认的超时设置。
A compass and a good map will do you no good unless you know where you're starting and ending.
除非您知道从哪里开始及结束，不然一个罗盘和好的地图将对您无益。
There’s no equivalent to taking the stairs in meal planning, unless you know a nutritionist or two.
在饮食计划中没有等价物，除非你认识一两个营养师。
Ask for a non-commercial key unless you know you need a commercial one, and you'll get it immediately.
除非您知道自己需要商业用途的密匙，否则申请一个非商业用途的密匙，您将立刻获得它。
That is why it is essential that you never open E-mail attachments unless you know who it's from.
这就是为什么你如果不知道电子邮件的来源时千万不要打开其附件的原因。
So unless you know your friends have unlimited text message plans, please be sensitive to their phone bills.
所以除非你知道你的朋友有无限制的消息套餐，请留意他们的电话账单。
"I would say right now don't bother (bidding) unless you know the process is going to change," said Anson.
“我现在要说自己并不为此(申办)感到困扰，流程必须改变，”安森说。
But then, why would you even need to make the house Unplottable - you can't find it anyway, unless you know it's there.
但是这样一来，究竟为什么需要使房子不可标绘——你无论如何也找不到它，除非你知道它在那里。
The three rules in the real options model are: options have value; options expire; and Never commit early unless you know why.
这三个真实期权模型中的规则是：期权有价值；期权会失效；除非你知道原因，不要过早承诺。
Unless you know all three of these methods (and their relative strengths and weaknesses), you won't get the full picture.
只有全部了解这三种方式(及其相对优缺点)，才能对Ajax有全面的认识。
They're hidden unless you know about them, so most people never worried about them as long as they could keep buying them.
由于不了解它们，根本就不知道它们的存在，因此，人们大多从不担心还能有多久可以买到它们。
If we simply extract the data elements, we get "0, 255, 255", which is meaningless unless you know what the data definitions are.
如果我们只抽取数据元素，会得到“0,255,255”，如果您不知道数据定义是什么，那么这种数据毫无意义。
The same is true with living a balanced life. Don't just do what somebody else tells you to do, unless you know the whole picture.
平衡生活也是如此，别别人说什么你就是什么，除非你大体上已经都了解了。
You don't achieve 20 percent market share on Microsoft's Windows fortress unless you know how to build and deliver compelling value.
你不可能在微软的Windows堡垒中获得20%的份额，除非你知道如何去开发和带来引人注目的价值。
You can't design an accounting application unless you know something about accounting — at least at the level of an intelligent layman.
你不能设计一个会计应用程序除非你懂会计的一些知识-至少是一个聪明的外行。
You can't design an accounting application unless you know something about accounting — at least at the level of an intelligent layman.
你不能设计一个会计应用程序除非你懂会计的一些知识-至少是一个聪明的外行。
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