这个中间人如果找到一个买主就将提成5%。
这部电影可能失败，如果一个场景失败了，那整个电影的可信度就崩溃了。
The film is a house of cards. If one scene fails to hold, the entire credibility of the film comes crashing down.
如果你是一个幸运打进电话的人，且被选中参赛，你就可能要发财了。
If you are one of the lucky callers chosen to play, you could be in the money.
如果你在二十三岁左右还没结婚，就是一个彻底的失败者。
You were a total failure if you hadn't married by the time you were about twenty-three.
我知道如果我不做一个记录我就会忘记这个想法，于是我要求借支钢笔或铅笔。
I knew that if I didn't make a note I would lose the thought so I asked to borrow a pen or pencil.
如果他们想要改变预算中的一个款项，必须得提出其他等值的削减。
If they want to change an item in the budget, they will have to propose equivalent cuts elsewhere.
我把你看成一个好朋友，如果你认为可以的话，我想继续保持这样。
I consider you a good friend, and if it's all right with you, I'd like to keep it that way.
如果我们的音乐能产生一个深刻的印象，即使它是负面的，我们也很高兴。
We're glad if our music makes a strong impression, even if it's a negative one.
如果只有一个话题能保证在家长们的心中引起恐惧的话，那就是毒品。
If there is a single subject guaranteed to strike fear in the hearts of parents, it is drugs.
如果适合你的话，光着身子睡觉并不是一个坏主意。
他们被迫一同穿过一个鳄鱼出没的地区，如果走得慢了，就会遭到棍棒责打。
They were marched through a crocodile-infested area and, if they slowed down, were beaten with sticks.
如果它撞上了地球，就会砸出一个100英里宽的大坑并扬起巨大的尘埃云团。
If it had hit the Earth, it would have made a crater 100 miles across and thrown up an immense cloud of dust.
这就是一个相互矛盾的困窘。没有人想要支持你除非你已经成功了，但是如果没有人支持，你怎么可能成功呢？
It's a Catch-22 situation here. Nobody wants to support you until you're successful, but without the support how can you ever be successful?
如果他有一个具体的计划，其他的银行才会非常渴望提供资助。
The other banks are going to be very eager to help, provided that they see that he has a specific plan.
如果他们的薪水或所得税返还不能兑现，那对他们将是一个晴天霹雳。
It will come as a rude shock when their salary or income-tax refund cannot be cashed.
例如，如果一个学生对比尔微笑，他也以微笑回应。
For example, if a student smiles at Bill, he responds by smiling back.
如果它很整洁，它就不会像一个秘密花园。
如果我们不这样做，我们将被其中一个巨人吞噬。
如果某部分中有一个破折号或者一个特殊的字符，那这个词就有可能太长。
If a section has a dash or special character in it, the word is probably too long.
如果你自己不是一个内向的人，你肯定在养育、管理一个内向的人，或者和一个内向的人结了婚或在约会。
If you're not an introvert yourself, you are surely raising, managing, married to, or coupled with one.
如果他有另一个像这个一样的储备充足的藏身之所，他可以躲藏数月之久。
If he had another well-stocked hideaway like this, he could stay holed up for months.
要规划一个占地120公顷、拥有18洞的高尔夫球场如果必须破坏环境才能做到，那就毫无益处了。
It is no use trying to plan an 18-hole golf course on a 120-acre site if you have to ruin the environment to do it.
她说如果她有机会再做一遍此事，她会雇一个新闻秘书。
She said if she had the chance to do it over, she would have hired a press secretary.
他对一名外交官说，如果允许他保留一个有争议的油田的一部分，他可能会撤出。
He told a diplomat that he might withdraw if he were allowed to keep part of a disputed oil field.
这是一个只输无赢的情形。如果她假装讨厌内德，她会觉得痛苦；而如果她承认喜欢他，她会感觉更难受!
It was a no-win situation. Either she pretended she hated Ned and felt awful or admitted she loved him and felt even worse!
如果过滤器已被机油浸透，就应该丢掉并更换一个。
If the filter has been saturated with motor oil, it should be discarded and replaced.
如果你需要写许多类似的信件，就在计算机上设一个模板。
If you need to write a lot of similar letters, set up a template on your computer.
如果经常露营，你可以买一个厨房扩建用具，如果你打算在一个地方露营超过几天，买一个扩建用具是值得的。
You can buy a kitchen extension for many tents, and it's worth buying one if you plan to stay camping in one place for more than a few days.
如果你喜欢玩游戏，一个游戏俱乐部将是一个好主意。
If you like playing games, a gaming club will be a good idea.
那么，如果一个基因不再被使用，它能在一个物种中存活多久呢？
So how long can a gene survive in a species if it is no longer used?
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