如果不这么做的话，未来我们人类在生态系统中会变得无足轻重，人类的存在之本也可能会变得值得商榷了。
If we aren't, we won't be providing much value in future ecosystems, and that may put in question the foundation for our existence.
如果你这么做的话，它还包含着不少不确定性。
这么做的话，过了一段时间，有助于骨头保持坚固。
如果她没有这么做的话，净收入将只能上涨16%。
Had it not done so, net income would have been only 16 percent higher this year in comparison.
如果我这么做的话，我打算每周三个早晨乘公车去上课。
If I do this, I intend to take the bus to school three mornings a week.
如果过去两年他们这么做的话，处境要比拥有自有住房差。
Had they done so in the past two years, they would have done worse than homeowners.
不这么做的话，简直就是到赌场里面去玩一个你压根不会玩的游戏。
Failing to do so is like going into a casino and gambling on a game you do not know.
如果这么做的话，就能得到区域上的一条闭合曲线,它包围了这个区域。
So now if I take, see, I can form a single closed curve that will enclose all of this region with kind of an infinitely thin slit here counterclockwise.
现在是进入你们的灵性权威之内的时候了，如果你们还没有这么做的话。
Now is the time to step into your spiritual authority if you have not already done so.
这么做的话，我也不必去放弃如大汉堡一样重要的东西来保持我的体型。
In doing so, I can keep fit without having to give up something as important as a Big Mac.
不这么做的话，这个项目就会冒在功能性和美感方面遭受极大影响的风险。
Without this, the project runs the severe risk of being compromised in both its functionality and its beauty.
在两人的关系中，你们对彼此或者周围的人这么做的话，会有巨大的风险。
In a relationship, you run a great risk of doing this to each other or to those around you.
相反的，这么做的话就会起到满足自己，而去谴责现有的“美式霸权”的情况。
Instead, it contents itself with denouncing the present set-up as "American hegemony".
如果这么做的话，devfs变量将被设置成no；否则它将被设置成yes。
If you do, the devfs variable will be set to no; otherwise, it'll be yes.
如果你想退订的话，那也十分方便，如果你想这么做的话，但这绝不是你希望的。
It's very easy to unsubscribe at any time, if you choose to do so, not that you'll ever want to.
但是我知道如果没有这么做的话，我将会有一个完全不同但依旧非常充实的人生。
But I know that if I hadn't, I would have a very different but equally fulfilled life.
我的经验是，如果他们选择这么做的话，UP团队采用AM实践是相对简单的。
My experience is that it is relatively straightforward for UP teams to adopt AM practices if they choose to do so.
如果他们选择这么做的话，一些非营利组织能将他们所占的部分资源用于应付法律。
Some nonprofits, if they elect to do so, can spend a portion of their resources backing and attacking legislation.
当然，你可以把它们放入冰箱，但如果你一直这么做的话，冰箱里就放不下其他东西了。
Sure, you can freeze it, but if you do that too often you'll have no room for Goodfellas pizzas.
如果有人不这么做的话，那水就被认为是被玷污了的，就好比美国人所说的在水塘里小便。
The water is considered fouled if someone does not do this, kind of like the American equivalent of peeing in a pool.
杂音就是那些我们都需要拥有权力和控制力的想法，因为不这么做的话我们都将臣服于它。
The noise is something we all need to have power and control over because without doing so makes us all slaves to its message.
你知道如果你不这么做的话，那么在72小时之内你将会忘掉你所听到的百分之九十五吗？
Did you know that if you don't, then within 72 hours you'll forget 95 percent of what you hear?
如果我们不这么做的话则会使用默认的UNIX权限，这样做可能会禁止我们稍后的文件上载。
If we don't do this, the default UNIX permissions will be used which may prevent us from uploading to the file later.
凯利说，英国每个学校的管理部门都有权利修改开始上课的时间，如果他们愿意这么做的话。
Kelley said every governing body of every school in the UK had the power to alter start times if they wish.
但英国这样愿意同美国并肩作战的军事能力的可能降级或许用这些方式这么做的话已不再相称。
But such is the likely degradation of Britain's military capabilities that its willingness to fight alongside America may no longer be matched by the means to do so.
但是我知道：如果人们在50年前、100年前或200年前决定这么做的话，就没有我们的今天。
But I also know this: If people had made that decision 50 years ago, or 100 years ago, or 200 years ago, we wouldn't be here tonight.
他们可以激烈地批评自己的国家，但是如果你要这么做的话，他们又会反过来气愤地为国家辩护。
They can criticize it severely, but if you try to do the same they will defend it furiously.
他们可以激烈地批评自己的国家，但是如果你要这么做的话，他们又会反过来气愤地为国家辩护。
They can criticize it severely, but if you try to do the same they will defend it furiously.
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