我们说一个函数是可微的，如果这些偏导数存在。
And, we say that a function is differentiable if these things exist.
如果有必要进行任何重构，可重复的测试为我们增加了信心。
Our repeatable tests give us confidence should any re-factoring become necessary.
如果您能想起的话，前面我们曾将业务对象字段设置为可搜索。
If you recall, earlier we made our business object fields searchable.
如果再没有更多可创造的，我们所有的人都不会再创造了。
We, all of us, would be through creating were there nothing more to create.
如果有我公司可效劳的地方，请不要客气跟我们联络。
Please feel free to contact our company (us) if you need any help.
如果我们推迟发布新产品的话，我们的财政状况仍然岌岌可危。
Our financial situation is still precarious if we postpone the release of the new product.
这是我们的规定，如果你有其他问题，可找我们的经理。
This is our policy. If you have any further questions, you may see our manager.
如果你有一个非常动态的系统，那我们没啥可做的。
If you have a very dynamic system, there is not much you can do.
我们的事业永远笈笈可危，如果我们失去了创造。
如果你对这些条件不合意，我们可提出别的条件。
If these terms are not acceptable to you, we may suggest others.
如果你同意条款，我们可指定你们做我们的独家代理商。
Iff you could agree to terms, we would point you as our sole agent.
如果你的朋友在5个工作日内没收到包裹的话，可联系我们。
Contact us if your friend still doesn't receive the package after 5 work days.
如果情形坏到极点，我们还有些储备金可动用。
If worst comes to the worst, we still have some money in reserve.
如果我们不能…，那可真遗憾。
可琳恩：哇！八点四十五分了，如果我们要买啤酒的话，现在该走了。
CORINNE: Wow! It's 8:45. If we want to buy some beer, we should go now.
可琳恩：哇！八点四十五分了，如果我们要买啤酒的话，现在该走了。
CORINNE: Wow! It's 8:45. If we want to buy some beer, we should go now.
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