If there are so many stars out there, that means there might also be a planet just like the planet we live on.
如果那里有那么多星星，那就意味着可能也有一颗和我们居住的行星一样的行星。
Kate Ratliff, who studies social attitudes at the University of Florida, Gainesville, says that it can seem as if there are two camps in a field—those who care about open science and those who don't.
佛罗里达大学盖恩斯维尔分校研究社会态度的凯特·拉特利夫说，一个领域似乎会有两个阵营，一个是关心开放科学的阵营，另一个则对其漠不关心。
If there are children, some chocolate will be nice.
如果这儿有孩子的话，带一些巧克力会很好。
If there are no rules, life will be meaningless and in disorder.
如果没有规则，生活将毫无意义，混乱不堪。
If there are three lines in the store, delays will happen randomly at different registers.
如果杂货店中有三条队伍，延迟将在不同的队伍中随机发生。
If there are more bike lanes in the future, it will be much safer for us.
如果将来有更多的自行车道，对我们来说就会安全多了。
In my opinion, teenagers won't cause problems in the street if there are more places for us to go to.
在我看来，如果有更多的地方可供我们去，青少年就不会在街上制造问题。
In other words, if there are no surprises, it's just a yawn.
换言之，如果没有令人惊讶之处，它只不过是个哈欠。
If there are no trails, you are much easier to be seen on top of a hill.
如果没有这种路，在山顶上你也更容易被发现。
You're not supposed to start eating first if there are older people at the table.
如果餐桌上有年纪更大的人，你就不应该先吃。
We are sure that if there are fewer people driving, there will be less air pollution.
我们确信，如果开车的人少一些，空气污染就会少一些。
If there are more tenacious spots to clean off, you can use a wet rag to rub them clean.
如果有顽固污渍的地方需要清理，你可以用块湿抹布擦干净。
"If there are nine rabbits, focus on catching one, don't try to catch them all," he said.
他说：“如果有九只兔子，集中精力抓一只，不要试图把它们全部抓住。”
So if there are people or dogs on the beach, the eggs and fledglings in the nests are really vulnerable.
所以如果海滩上有人或狗，巢里的蛋和雏鸟就很容易受到伤害。
Look at your checkout funnel, to see if there are any places where many new customers abandon their shopping cart.
检查一下你的结账漏斗，看看是否有什么地方令许多新客户放弃购物篮。
Whenever the catkin across your cheek, you will feel as if there are thousands of hands in touch with you on the cheek.
每当柳絮拂过你的面颊时，你就会感觉到仿佛有数不清的手在抚摸着你的面颊。
If there are many conceptual issues, you can bring them to office hours, but please realize that there are always piecemeal hours.
如果有很多概念方面的问题，你完全可以把它们带到办公时间来，但是请认识到，总是有零零碎碎的时间的。
Jenny Reed is the person to see if there are any films you'd like us to stock, as she's taken over responsibility for purchasing those.
詹妮·里德是负责查看你是否有想让我们进购的电影的人，因为她已经接管了这些电影的（版权）采购工作。
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。
Responses suggest that numeric people have some trouble keeping track of how many nuts remain in the can, even if there are only four or five in total.
回答表明，数字型的人很难记住罐头里还剩下多少坚果，即使总共只有四五个。
If there are no truly non-venomous snakes, were the so-called non-venomous snakes, like constrictors and pythons, were they venomous at some point in their evolution?
如果没有真正的无毒蛇，那些所谓的无毒蛇，比如蟒蛇和巨蟒，在它们进化过程中的某个阶段是有毒的吗？
He observed that if there are too many toys in front of Cameron, he will just keep moving round them and then end up going away and finding something like a slipper to play with.
他观察到，如果卡梅隆面前的玩具太多，他就会一直绕着玩具转，最后会走开，转而找个拖鞋之类的东西玩。
If there are things we do not know, it is because we haven't learnt them.
有所不知，盖未学也。
If there are no more questions, thanks.
如果没有问题了，谢谢大家。
But what if there are no immutable laws?
然而，要是根本没有不可改变的定律又将怎样？
If there are no more questions, thanks for coming!
如果没有其他问题了，谢谢各位！
If there are no more questions, thanks for coming.
如果没有问题了，谢谢大家。
The database server applies filters first, if there are any.
如果有筛选器，数据库服务器首先会应用它们。
Thievery presents no risk if there are no further consequences.
如果没有联带的后果，偷窃就不再有风险了。
If there are no more questions, thanks for your attendance.
如果没有其他问题，感谢各位出席，我们下次再见！
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