Second, do not fall into the trap of waiting for data that just does not exist.
第二，不要苦等不存在的数据。
Therefore, the result returns only the addresses from the first instance because the element does not exist in the second instance.
因此，结果仅返回第一个实例中的地址，因为第二个实例中不存在元素。
The second method accepts a boolean argument that determines whether or not a new Session will be created if it does not yet exist.
第二个方法接受一个布尔参数，这个参数用于判定会话不存在时是否创建新会话。
Second, when international treaties do not exist or they are invalid, the Court followed Uti Possidetis Juris Principle or Effective Control Principle to solve territorial disputes.
其次，在国际条约确实无效或不存在国际条约的情况下，国际法院接下来适用依法占有原则或有效控制原则来解决领土争端。
The second solution (which is much worse) is to catch the "item not in collection" error and then set a flag to say the item does not exist.
第二个解决方案(这是更坏)是捕捉“项目不是在收集”错误，然后设置一个标志，表示该项目不存在。
The second question is whether conditions exist on exoplanets that suggest the possibility of other forms of life, whether known to us or not.
第二个问题是，在太阳系外行星上，表明其他生命形式存在之可能性的环境是否存在，不管这些生命形式是已知的还是未知的。
The second question is whether conditions exist on exoplanets that suggest the possibility of other forms of life, whether known to us or not.
第二个问题是，在太阳系外行星上，表明其他生命形式存在之可能性的环境是否存在，不管这些生命形式是已知的还是未知的。
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