If, in fact, no date range entry is supplied or if no date range matches, the default destination is invoked.
事实上，如果没有提供日期范围条目，或者没有匹配的日期范围，则会调用缺省目标。
The behavior of multiselect gets more interesting with Object as result type or if no type argument is specified.
如果以Object作为结果类型或没有指定类型参数时，multiselect的行为会变得更加有趣。
If, in fact, no date range entry is supplied or if no date matches the selection criterion, the default destination will be invoked.
事实上，如果没有提供日期范围条目，或者没有匹配选择条件的日期，则会调用缺省目标。
However, if there are striking differences between different groups of the organization, or if no clear pattern exists, this can be a sign of underlying problems.
然而，如果在组织不同部分之间有显著的不同，或者没有清楚的模式，这是一个潜在问题的信号。
You can select certain layers and hit Control+Alt+B to set your work area to the duration of those layers, or if no layers are selected it will reset the work area to the entire comp.
你还可以选择某一层，按Ctrl+Alt+B设定工作区域和这个层一样，如果没有选中层，则工作区域被设定为整个合成的长度。
There are no paid holidays or sick leave if you are self-employed.
如果你是个体经营的，那就没有带薪休假或病假了。
One thing is for sure, if or when the U.K. leaves the EU, it will erect new logistical and economic barriers, and no one knows how divisive they will be.
有一件事是肯定的，如果或当英国离开欧盟时，英国将会建立新的物流和经济障碍，没有人知道这些障碍会造成多大的分歧。
If the latter, there's no need to go to extremes and buy the biggest horse pills or the most expensive bottles.
如果是后者，就没有必要走极端，买最大剂量的大药片或最昂贵的瓶瓶罐罐。
No language is perfect, and if we admit this truth, we must also admit that it is not unreasonable to investigate the relative merits of different languages or of different details in languages.
没有一种语言是完美的，如果我们承认这一点，我们也必须承认，研究不同语言或语言中不同细节的相对优点并不是没有道理的。
If you have no specialized skills, there's little reason to uproot to another state and be the last in line for a low-paying job at a new auto plant or a green-energy startup.
如果你没有专业技能，你就没有什么理由背井离乡去到另一个州，在一家新的汽车厂或者新的绿色能源公司中干低级的活，拿微薄的薪水。
If we had every klutz jump into the orchestra pit, or prance on the opera stage, or slop paint with Picasso, we would have some great parties but no art.
如果我们让每一个笨手笨脚的人都跳进乐池，或在歌剧舞台上腾跳，或与毕加索一起泼洒涂料，我们可能会造就一些不错的聚会，但绝不是艺术。
If no one owns the resource concerned, no one has an interest in conserving it or fostering it: fish is the best example of this.
如果没人拥有相关的资源，就没有人有兴趣去保护或培育它：鱼类就是最好的例子。
If you are arriving from overseas, bring no food, animal or plant material into the country.
如果你是从海外来的，不要带任何食物、动物或植物进入这个国家。
If you are on the receiving end of a "new" thank you, you can respond with a simple "no problem”, or "sure”.
如果你收到“形式新颖的”谢谢，你可以简单地回答“noproblem（没问题）”或“sure（当然）”。
If you have no friends or relatives, try to participate in several online communities, full of people who are always willing to share advice and encouragement.
如果你没有朋友或亲戚，可以试着参加一些线上社区，那里到处都是乐于分享建议和提供鼓励的人。
If a pot has no bottom or has large openings in its sides, it could hardly be considered a container in any traditional sense.
如果一个罐子没有底部，或者在它的侧面有很大的开口，那么它就很难被认为是传统意义上的容器。
Graduate students and postdocs, who often are working on their lab head's grant, may have no choice if their supervisor or another senior colleague opposes sharing.
研究生和博士后通常在实验室负责人的资助下工作，如果他们的导师或其他资深同事反对分享，他们可能别无选择。
If you or your child catch measles, mumps, or rubella, there's no treatment that can get rid of the viruses.
如果你或你的孩子感染了麻疹、腮腺炎或风疹，没有治疗方法可以除去这些病毒。
If there are no trails, you are much easier to be seen on top of a hill, and you may even spot a highway, or a railroad from this point.
如果没有这种路，在山顶上你也更容易被发现，甚至可以从山顶看到公路或者铁路。
They didn't know if they responded correctly or incorrectly after each trial because there was no reward or punishment.
因为没有奖励或惩罚，他们不知道每次试验后自己的回答是正确的还是错误的。
And if I have a fancy for dyeing my hair, or going to bed late or getting up early, I shall follow my fancy and ask no man's permission.
如果我想染头发，想晚睡或早起，我就随自己的心意去做，不征求任何人的同意。
There is no simple or single factor that determines if a given site will be a savanna, but some factors seem to play important roles in their formation.
没有什么简单或单一的因素能决定一个给定的地点是否会成为热带草原，但部分因素似乎在热带草原的形成中扮演着重要的角色。
If she orders black coffee with a splash of non-fat milk and no sweeteners, she could be a no-fuss woman, or she might be watching her weight.
如果她点了一杯不加糖、不加脱脂牛奶的黑咖啡的话，那么她也许是一个不喜欢大惊小怪的人，或者她很在乎她的体重。
Your home colleagues—your family—have no clear rewards for their labor; they need to be talked into it, or if they're teenagers, threatened with complete removal of all electronic devices.
你家里的同事——你的家人——他们的劳动也没有明确的回报；他们需要被人说服，如果他们是青少年，要用没收全部电子设备来威胁他们。
The results show that if a person eats a right breakfast, he or she will work better than if he or she has no breakfast.
结果表明，如果一个人吃适当的早餐，他或她会比不吃早餐工作得更好。
If parents have poor computer skills, they will be of little or no help with homework, which can make them upset.
如果父母的电脑技能很差，在做家庭作业时他们就只能帮上一点忙或根本帮不上忙，这可能会让他们感到很沮丧。
All of us have spent money and time on something—maybe a relationship, or a business, or a job—and sometimes, even if we know there's no hope that things will change, we still continue with it.
我们所有人都在某些事情上花费了金钱和时间——也许是一段关系、一笔生意，也许是一份工作——有时，即使我们知道事情没有希望改变，我们还是会继续做下去。
If there were no windows, I wouldn't be able to tell when we were stopped or when we were traveling at 300 km/h.
如果没有窗户，我无法察觉什么时候停车，什么时候我们在以300公里每小时的速度前进。
If someone can sign in (登录) as you, you will have no control over what they do or say.
如果某些人能以你的身份登录，你将无法控制他们的行为或言论。
If someone can get on the Internet in your username, you have no control over what they do or say.
如果有人能用你的用户名上网，你便无法控制他们的言行。
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