The reason why this is not a two-way relationship is that Customer only maintains an instance of the current open order.

这不是双向关系的原因在于，Customer仅维护当前打开订单的一个实例。

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The truth is that once I hashed out all the issues, this is a great way to represent two entity types in many-to-many relationship.

事实是，一旦我完成了所有的问题，这是一个伟大的方式来表示两个实体类型的多对多关系。

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During the meeting the secretary encouraged better civil and economic ties between the two countries as a way out of the so-called "trust deficit" that characterizes their current relationship.

在这次会议期间，克林顿国务卿鼓励美巴两国建立更好的民间与经济联系，以便走出目前两国之间缺乏信任的关系。

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Creating a two-way relationship is critical, especially considering that many knowledge workers today know more about what they are doing than their boss does.

FORBES: Leadership: Then and Now

To the contrary, the results indicate that happiness and income are connected by a two-way relationship, and that human well-being can itself be a source of economic dynamism.

FORBES: Investing In Psychological Well-Being Pays Off With Income Gains

It can be a two-way relationship with the car, as it contacts the rightful owner if it detects a problem such as being broken into or driven away.

BBC: Gadget 'halts thieves in tracks'