掌握了这样的信息后，妇女就能更好地对自己的怀孕作出决定。
A woman can use this information to make an informed decision about her pregnancy.
相反，本文为InfoCenter中描述的过程提供了背景信息，这样就能够更容易地掌握它们，并有望避免错误。
Instead, it provides the reasons behind the procedures described in the InfoCenter, so that you can master them more easily and, hopefully, avoid errors.
当你写这样的东西的时候你可以只透露你所掌握的非常小一部分信息，这样它听上去就好像是大量知识的冰山一角。
When you write something like that you can place the tiniest piece of information you have so that it sounds like the tip of the iceberg of a vast amount of knowledge.
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