It is hard to imagine that our world as we know it, and all that is familiar to us, would likely not exist if not for the Moon.
很难想象，如果不是月球，我们现在所知的这个世界，以及对我们来说非常熟悉的一切，很可能不存在。
The next unit of water might not even exist if we cannot get smart enough to use our single supply of water well.
如果我们不能有效使用我们仅有的水资源的话，那么下一个单元的水将不复存在。
Create the tables (if they do not already exist).
创建表(如果还不存在的话)。
If the world were clear, art would not exist.
如果世界是清晰的，艺术则不会存在。
You need to create this file if it does not exist.
如果这个文件不存在，就需要创建它。
If one does not exist, the container supplies one.
如果不存在，则容器提供一个事务。
If god does not exist, Kirilov is god.
如果上帝不存在，基里洛夫就是神明。
If the path does not exist, the script will attempt to create it.
如果上述路径不存在，脚本将尝试创建它。
If this package does not already exist, it is created.
如果这个包已经不存在，就创建一个。
If it does not exist, just accept the default value to create it.
如果不存在，只需要接受默认值就可以创建。
The next block creates the backup directory if it does not exist.
下一个块在备份目录不存在时创建该目录。
If a set of this name does not exist already it will be automatically created.
如果该名称的集合还不存在，则该集合将自动创建。
If he file does not already exist, the installation application creates it.
如果此文件不存在，安装程序会创建它。
If the transatlantic alliance did not already exist, it would probably have to be reinvented.
即使跨大西洋联盟不复存在，也很有可能重建一个。
If the unit does not exist, put it into the set.
如果单元尚未存在的话，那么您可以将其置于系列之中。
If the file does not exist at this location, a new one will be generated.
如果此文件没有位于此位置，就会生成一个新的文件。
If these people exist, we will not be able to afford them.
即使存在这样的人，我们也负担不起。
After all, if users can't use a feature, it might as well not exist.
总之，如果用户无法使用某一功能，那最好还是不要。
If the target profile does not yet exist, you will need to create it first.
如果目标概要文件不存在，需要首先创建。
If this directory does not already exist, it will be created.
如果该目录尚不存在，则进行创建。
If the plans directory does not exist, create it.
如果plans目录不存在，则创建该目录。
If there did not exist some one who loved, the sun would become extinct.
人间如果没有爱，太阳也会灭。
If the profile does not exist yet, create it by providing the following information.
如果配置文件不存在，通过提供以下信息创建。
If the answer is negative, all will not exist.
如果答案是否定的，一切都将不复存在。
Your joy will be ever lasting, if you know that you do not exist.
如果你知道你并不存在，你的喜悦将恒久长存。
If, however, you demand that you must have your pleasure at any price, then love will not exist.
然而，如果你想要那个，你就必然会不惜一切代价来获取快乐，那么爱就不会存在。
If, however, you demand that you must have your pleasure at any price, then love will not exist.
然而，如果你想要那个，你就必然会不惜一切代价来获取快乐，那么爱就不会存在。
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