Send a quick email - 2.5 to 3 minutes is usually long enough to get an email put together, if not you could get a good first draft started at least.
发一份电子邮件- - -通常两三分钟的时间足够写好一份电子邮件了，如果时间不够的话，写个开头也是好的。
If not, you can download and install it.
如果没有，你可以下载并安装它。
Are you ready? If not, I'm going without you.
你准备好了吗？否则我就自己去了。
If you're not careful, you could finish up seriously ill.
你要是不小心，可能到头来会得场大病。
If you do not keep up with the payments you could lose your home.
如果你不继续付款，你的住房就可能保不住了。
Does it work? If not, you can sing or run.
起作用了吗？如果没有，你可以唱歌或跑步。
Tell your teachers or parents at once, if not, you will get hurt again.
马上告诉你的老师或父母，否则你会再次受到伤害。
If not, you can download it from the toolbar page.
如果不行，您可以从工具栏页面进行下载。
If not, you can make adjustments, such as increasing your contributions.
如果不是，你会做出选择，例如增加你的捐款。
If not, you might want to bookmark this page for future reference.
如果不是，您也可以将此页加入书签以供将来参考。
If not, you can go back to daydreaming starting... now.
如果不然，那你还可以继续白日梦…从现在开始。
If not, you have to check out report yourself to make sure.
如果不能，你必须亲自检查报告确保没有问题。
If not, you definitely need this article more than most.
如果没有，你的确是非常需要看看这篇文章了。
如果没有，你就需要更多的水。
If not, you can start looking for ways to make the meals healthier.
如果不健康，你可以开始寻找制作更加健康膳食的方法。
如果不行，你需要扪心自问：为什么不行？
If not, you can use generic names as placeholders.
如果你不知道，你可以使用通用名来占位。
Code review may detect errors; if not, you can have some peace of mind that your code has passed the first quality hurdle.
代码复查可能会检测到错误，如果没有，你可以头脑保持一些平静，因为你的代码已经通过了第一个质量障碍。
If not, you might be able to write a few simple command scripts to run periodically and collect the most useful statistics.
如果没有这些工具，那么您可以编写一些简单的命令脚本，以便周期性地运行和收集最有价值的统计信息。
If not, you could always develop your own solution, or you might be able to customize an existing piece of code.
如果没有找到也没关系，因为您总是可以开发自己的解决方案，也可以定制现有的一段代码。
If not, you should probably secure your medicine cabinet to keep a mistake about sweets from turning sour.
如果不行那你可能需要保管好你的药箱以避免把糖果（错当成药物）而放坏了。
If not, you always have options one and three.
如果不能做到，那么您永远只能有第一种和第三种选择。
If not, you make the changes necessary to begin to live your life the way you truly want.
如果不是，由你来做些必要的改变，让你的生活变成你想要的那样。
如果不是，就可能出现问题。
If not, you can buy a lofting structure that supports your bed on a metal frame. You can tuck your dresser or desk under your lofted bed to free up some floor space.
如果没有的话，你可以买一个金属制造的阁楼床架，以便将你的衣柜和书桌放在床下节省地面空间。
If not, you must invest in writing scripts and in management to install appropriate updates on the client that reflect application-specific update needs.
如果不是，就必须编写脚本并管理更新在客户机上的安装，从而满足应用程序特有的更新需求。
If not, you can still eat healthily with a few precautions.
如果做不到，你也可以通过小心谨慎的选择让自己吃得健康。
If not, you might need to rework your articles before migrating.
如果没有的话，迁移之前可能要首先对这些文章进行再加工。
If not, you might need to rework your articles before migrating.
如果没有的话，迁移之前可能要首先对这些文章进行再加工。
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