The actual table will not be created until you run code to create a table, and you also need to define what database engine SQLAlchemy will use. Those two lines of code look like this
在运行创建表的代码之前，将不会创建实际的表，并且，您还需要定义SQLAlchemy 将使用的数据库引擎。
Mind mapping considers each idea equal until you change it later. So the first level of the sub-agenda items might look like this.
在你稍后更改前，思维导图默认各个项目都是并列的。
This means that you cannot trust people until you really know them and that sometimes you have to avoid things that look like they might be fun.
就是说，不要相信还不真正了解的人，有时还要回避看似有趣的活动。
Never put yourself at serious risk. This means that you cannot trust people until you really know them and that sometimes you have to avoid things that look like they might be fun.
不要把自己置于危险境地，这就意味着你不能轻易的相信被人直到你真正的了解这个人，并且有些时候你还要放弃一些看起来很有趣的东西。
Never put yourself at serious risk. This means that you cannot trust people until you really know them and that sometimes you have to avoid things that look like they might be fun.
不要把自己置于危险境地，这就意味着你不能轻易的相信被人直到你真正的了解这个人，并且有些时候你还要放弃一些看起来很有趣的东西。
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